Earth In Space Chapter 3

Save this PDF as:
 WORD  PNG  TXT  JPG

Size: px
Start display at page:

Download "Earth In Space Chapter 3"

Transcription

1 Earth In Space Chapter 3 Shape of the Earth Ancient Greeks Earth casts a circular shadow on the moon during a lunar eclipse Shape of the Earth Ancient Greeks Ships were observed to disappear below the horizon as they sailed away from the viewer ( B.C.) Astronomer used geometry to the of the Eratosthenes ( B.C.) Sunlight shone straight down a well at Syene, Egypt June 21 Alexandria is 800 km from Syene Eratosthenes ( B.C.) Measured shadow cast by tall obelisk in Alexandria Calculated angle 7 12 exactly 1/50 of a circle Eratosthenes ( B.C.) If the angle is 1/50 of a circle Then the distance between Alexandria and Syene must be 1/50th the circumference of the Earth

2 Eratosthenes ( B.C.) 50 x 800 km = 40,000 km Actual distance 40,075 km Earth is an Earth in Motion Rotation ~1000 mph Revolution Moon around Earth 2300 mph Earth around Sun 66,000 mph Earth in Motion Revolution Solar system around Milky Way 230,000 mph Three Main Movements of the Earth on Axis Revolution 1 trip takes days Earth moves at, at. Rotation

3 The Earth s axis maintains an average incline, or, on its axis. ( ) Axis points the for, then turns for. 3 effects: length of day/night, changing seasons, changing climates with latitude (know this) Full daylight at NP Full darkness at SP Earth s Tilt (KNOW) Full daylight at SP Full darkness at NP Solstices Solstice the sun is at its point has 24 hour light directly overhead of Solstices Solstice the sun is at its point has 24 hour light directly overhead of Equinoxes sun s rays strike the equator almost directly and Earth is illuminated from pole to pole Equinoxes sun s rays strike the equator almost directly and Earth is illuminated from pole to pole What causes the seasons? Caused by Earth s

4 length of time sunlight falls on a particular location angle at which sunlight hits a region determines amount of solar energy Seasons in Northern Hemisphere Wobble on Axis is at 23.5 degrees Wobbles back and forth from 22.1 degrees to 24.5 degrees and back to 22.1 degrees. Caused by of Sun and Moon on. Evidence of Rotation Observation of other planets rotating Rotating planets are oblate spheroids just like earth Jean Bernard Foucault (1851) Slowly turns clockwise demonstrates counter-clockwise of the under the swing of the pendulum Pantheon in Paris Pendulum Swing Changes with Latitude North Pole Complete turn every 24 hours Equator No turn at all Rotational Velocity Different latitudes have different speeds rotational at A point at the equator has to go farther than a point in Alabama, so it must go faster Coriolis Effect

5 An of the path of an object that moves within a coordinate system Coriolis Effect Objects moving from the equator will be moving east than the ground Appear to be forced east Coriolis Effect Objects moving the will be moving than the east-moving ground Appear to be forced farther Coriolis Effect Northern Hemisphere Objects moving north or south will appear to turn to the right (KNOW) Coriolis Effect Southern Hemisphere Objects moving north or south will appear to turn to the left (KNOW) Identifying Your Location on Earth Parallels East and west running circles parallel to the equator Latitude (parallels running east and west)--know Angular distance from equator to parallel measured in degrees Meridians North and south running arcs that intersect at both poles Longitude (arcs running north and south) - know Angular distance from prime meridian east or west measured in degrees Observatory,

6 of the world Longitude Every place on Earth is measured east or west from here New Orleans 30 N, 90 W Finding a Location Subdivisions of angular distance 1 = 60 minutes (60 ) one minute = 60 seconds (60 ) Other Points of Reference Tropic of border of the Northern Solstice Tropic of border of the Southern Solstice Other Points of Reference Circle limit of area where sun does on solstice Circle limit of area where sun does on solstice Measuring Time Sun Time and Clock Time What is noon? When the sun crosses the, has occurred Noon Whenever noon occurs at a given location (longitude) A.M. = morning hours before sun crosses meridian P.M. =

7 afternoon hours after sun crosses meridian time time from the position of the Sun in the sky the shadow of the gnomon on the sundial Caesar Augustus Sundial Rome, Italy Apparent Local Solar Time Changes Nonuniform and fluctuating Reasons Earth moves sometimes faster and sometimes slower in its elliptical orbit around sun Tilt of Earth Apparent Solar Day vs. Sidereal Day Day interval between of the celestial meridian by the Sun Apparent Solar Day vs. Sidereal Day Day interval between of the celestial meridian by a particular time for Earth to rotate on axis (KNOW) sidereal means hrs min sec Why is the Apparent Solar Day? Earth must rotate a little farther to compensate for orbit extra minutes Apparent Solar Day vs Sidereal Day At time 1, the sun and a certain distant star are both overhead. At time 2, the planet has rotated 360 and the distant star is overhead again (1 2 = one sidereal day). But it is not until a little later, at time 3, that the sun is overhead again (1 3 = one solar day). Apparent Solar Day vs Sidereal Day

8 Apparent Solar Day vs Sidereal Day Standard Time Zones Each longitudinal line has a different measure of time longitudinal lines = 15 each Moving = 1 hour Moving = 1 hour International Date Line ( ) Moving day Moving day What is a Year? Year Interval between two consecutive equinoxes 365 days, 5 hours, 48 minutes, and 46 seconds mean solar days What is a Year? year time required for the Earth to move around its orbit so the Sun is again in the same position relative to the stars than tropical year by minutes Fixing the Calendar Calendar Julius Caesar (46 B.C.) days per year 366th day year every fourth year ( year) Year started at Spring Equinox July (after Julius) & August (after Augustus)

9 Fixing the Calendar Calendar ( ) Pope Gregory XIII (1582) Revised Julian calendar off by 11 minutes 14 seconds per year only century years divisible by 400 are leap years the year 2000 is leap year the year 2100 is not a leap year The Moon The Moon 384,000 km from Earth (238,000 miles) Diameter ~3500 km ~2200 miles Revolution 3680 km/hr ~2300 mi/hr The Moon -colored gravel or boulders compacted together meteorite impacts Density (2.9 g/cm 3 ) The Moon ( ) Smooth -colored lava rock Density (3.3 g/cm 3 ) No atmosphere Temperature -300 degrees F (night) 417 deg F (day) 205 deg F (at poles) The Moon

10 The Moon is covered with fine, glassy The Moon Moon s period of rotation is to one revolution around the Earth always see same side of moon from Earth (KNOW) days Earth-Moon System Moon is about 1/81 the mass of the Earth Large enough to move center of mass away from center of Earth Slightly wavy path around Sun Act as a system Earth-Moon System Moon is > ¼ Earth s diameter larger in comparison to its planet than any other moon provides just enough light large enough to keep spherical shape Phases of the Moon Results from Sun, Earth, & Moon positions The Rest of the Story Moon Phases The Moon s side is facing the. Not visible except during solar eclipse The Moon is than illuminated by direct sunlight of the Moon s disk that is illuminated is

11 Quarter the moon is by direct sunlight of moon s disk that is illuminated is than, but not fully, of moon illuminated is Moon on side Earth than, but not fully, of moon illuminated is Quarter of moon is of moon illuminated is Moon is than illuminated of moon illuminated is Eclipses Earth s or Moon s shadow falling on the other body (know this) Uncommon because of 5 incline of Moon to Earth Sun, Moon, and Earth have to be in line Eclipses Any shadow of any body consists of two parts region of outer of Lunar Eclipse Occurs when the Moon passes through some portion of Earth s shadow. (KNOW) CAN ONLY OCCUR AT Lunar Eclipse Types

12 Penumbral Lunar Eclipse Full moon enters earth s penumbral shadow Moon dims a little Partial Lunar Eclipse Part of the moon is within Earth s umbra Moon is partially shadowed Eclipse Moon is completely shadowed by earth No direct light from sun reaches the moon Varies in color Near black Red Copper orange Lunar Eclipse Why does the moon turn RED??? Lunar Eclipse Moon Light from sun is (bent) by Earth s atmosphere and Lunar Eclipse animation Solar Eclipse Occurs when the Moon passes between the Earth and Sun (KNOW) CAN ONLY HAPPEN AT

13 Next solar eclipse visible from US: August 21, Annular Solar Eclipse Moon covers center of sun, but not its edges Moon is too far away from Earth Tides and of sea level Greatest range = and moon Least range = moons high tides and low tides daily in a coastal location Tides attracts water and land nearness of moon to Earth makes its gravity twice as effective as Sun s Tides Side moon tide side Earth is pulled away from from the ocean tide tidal trough Other sides 90 degrees away tide Tides tidal range at moon and moon Tides Gravity of Sun and Moon act on Earth All in line Tides tidal range at quarter moons Tides Sun and moon are at right angles of Moon

14 Tides Greatest Spring Tides Moon is closest to Earth Perigee 28,000 miles closer than Apogee Moon is Full or New Tides Size of Tides also determined by size, shape, and depth of water basin Coastal Regions 3-10 feet Gulf of Mexico 1 foot Lakes and ponds too small Bay of Fundy 50 feet

1. In the diagram below, the direct rays of the Sun are striking the Earth's surface at 23 º N. What is the date shown in the diagram?

1. In the diagram below, the direct rays of the Sun are striking the Earth's surface at 23 º N. What is the date shown in the diagram? 1. In the diagram below, the direct rays of the Sun are striking the Earth's surface at 23 º N. What is the date shown in the diagram? 5. During how many days of a calendar year is the Sun directly overhead

More information

The Four Seasons. A Warm Up Exercise. A Warm Up Exercise. A Warm Up Exercise. The Moon s Phases

The Four Seasons. A Warm Up Exercise. A Warm Up Exercise. A Warm Up Exercise. The Moon s Phases The Four Seasons A Warm Up Exercise What fraction of the Moon s surface is illuminated by the Sun (except during a lunar eclipse)? a) Between zero and one-half b) The whole surface c) Always half d) Depends

More information

Motions of Earth, Moon, and Sun

Motions of Earth, Moon, and Sun Motions of Earth, Moon, and Sun Apparent Motions of Celestial Objects An apparent motion is a motion that an object appears to make. Apparent motions can be real or illusions. When you see a person spinning

More information

8.5: Motions of Earth, the Moon, and Planets pg. 320

8.5: Motions of Earth, the Moon, and Planets pg. 320 8.5: Motions of Earth, the Moon, and Planets pg. 320 Key Concepts: 1. Careful observation of the night sky can offer clues about the motion of celestial objects. 2. Celestial objects in the Solar System

More information

Solar System. 1. The diagram below represents a simple geocentric model. Which object is represented by the letter X?

Solar System. 1. The diagram below represents a simple geocentric model. Which object is represented by the letter X? Solar System 1. The diagram below represents a simple geocentric model. Which object is represented by the letter X? A) Earth B) Sun C) Moon D) Polaris 2. Which object orbits Earth in both the Earth-centered

More information

Relationship Between the Earth, Moon and Sun

Relationship Between the Earth, Moon and Sun Relationship Between the Earth, Moon and Sun Rotation A body turning on its axis The Earth rotates once every 24 hours in a counterclockwise direction. Revolution A body traveling around another The Earth

More information

Astronomy 12 Unit Test Review Charting the Sky

Astronomy 12 Unit Test Review Charting the Sky Astronomy 12 Unit Test Review Charting the Sky Astronomer: Part I- Multiple choice: Answer each question by shading the most appropriate bubble. 01. Astronomy is the study of a. the stars and planets and

More information

ASTR 1010 Astronomy of the Solar System Professor Caillault Fall 2009 Semester Exam 1 Answers

ASTR 1010 Astronomy of the Solar System Professor Caillault Fall 2009 Semester Exam 1 Answers ASTR 1010 Astronomy of the Solar System Professor Caillault Fall 2009 Semester Exam 1 Answers 1. The number of degrees in a full circle is (c) 360 2. An arcsecond is a measure of (d) angle. 3. How many

More information

Chapter 1: Introduction to Earth. McKnight s Physical Geography: A Landscape Appreciation, Tenth Edition, Hess

Chapter 1: Introduction to Earth. McKnight s Physical Geography: A Landscape Appreciation, Tenth Edition, Hess Chapter 1: Introduction to Earth McKnight s Physical Geography: A Landscape Appreciation, Tenth Edition, Hess Introduction to Earth Geography as a Field of Learning Science and Geography The Environmental

More information

Earth & Moon Notes. Chapter 19

Earth & Moon Notes. Chapter 19 Earth & Moon Notes Chapter 19 Earth s Movement The Earth moves in 2 ways orotation orevolution The effects of the movements odays/nights oseasons Rotation Rotation is spinning of the earth on its axis

More information

Today. Solstices & Equinoxes Precession Phases of the Moon Eclipses. Ancient Astronomy. Lunar, Solar FIRST HOMEWORK DUE NEXT TIME

Today. Solstices & Equinoxes Precession Phases of the Moon Eclipses. Ancient Astronomy. Lunar, Solar FIRST HOMEWORK DUE NEXT TIME Today Solstices & Equinoxes Precession Phases of the Moon Eclipses Lunar, Solar Ancient Astronomy FIRST HOMEWORK DUE NEXT TIME The Reason for Seasons Hypothesis check: How would seasons in the northern

More information

ASTRONOMY 161. Introduction to Solar System Astronomy

ASTRONOMY 161. Introduction to Solar System Astronomy ASTRONOMY 161 Introduction to Solar System Astronomy Seasons & Calendars Monday, January 8 Season & Calendars: Key Concepts (1) The cause of the seasons is the tilt of the Earth s rotation axis relative

More information

Aphelion The point in the orbit of a planet or other celestial body where it is furthest from the Sun.

Aphelion The point in the orbit of a planet or other celestial body where it is furthest from the Sun. SKYTRACK Glossary of Terms Angular distance The angular separation between two objects in the sky as perceived by an observer, measured in angles. The angular separation between two celestial objects in

More information

CELESTIAL MOTIONS. In Charlottesville we see Polaris 38 0 above the Northern horizon. Earth. Starry Vault

CELESTIAL MOTIONS. In Charlottesville we see Polaris 38 0 above the Northern horizon. Earth. Starry Vault CELESTIAL MOTIONS Stars appear to move counterclockwise on the surface of a huge sphere the Starry Vault, in their daily motions about Earth Polaris remains stationary. In Charlottesville we see Polaris

More information

Today FIRST HOMEWORK DUE NEXT TIME. Seasons/Precession Recap. Phases of the Moon. Eclipses. Lunar, Solar. Ancient Astronomy

Today FIRST HOMEWORK DUE NEXT TIME. Seasons/Precession Recap. Phases of the Moon. Eclipses. Lunar, Solar. Ancient Astronomy Today FIRST HOMEWORK DUE NEXT TIME Seasons/Precession Recap Phases of the Moon Eclipses Lunar, Solar Ancient Astronomy How do we mark the progression of the seasons? We define four special points: summer

More information

Reasons for Seasons. Question: TRUE OR FALSE. Question: TRUE OR FALSE? What causes the seasons? What causes the seasons?

Reasons for Seasons. Question: TRUE OR FALSE. Question: TRUE OR FALSE? What causes the seasons? What causes the seasons? Reasons for Seasons Question: TRUE OR FALSE? Earth is closer to the Sun in summer and farther from the Sun in winter. Question: TRUE OR FALSE? Earth is closer to the Sun in summer and farther from the

More information

Celestial Sphere. Celestial Coordinates. Lecture 3: Motions of the Sun and Moon. ecliptic (path of Sun) ecliptic (path of Sun)

Celestial Sphere. Celestial Coordinates. Lecture 3: Motions of the Sun and Moon. ecliptic (path of Sun) ecliptic (path of Sun) Lecture 3: Motions of the and Moon ecliptic (path of ) ecliptic (path of ) The 23.5 degree tilt of Earth s spin axis relative to its orbital axis around the causes the seasons Celestial Sphere Celestial

More information

Moon, Sun, and eclipses

Moon, Sun, and eclipses Moon, Sun, and eclipses The Moon orbits the Earth and returns to the same right ascension every 27.32 days. (It moves eastward against the background of stars.) This is the sidereal (si-der-e-al) period

More information

The diagram shows the apparent paths of the Sun in relation to a house in the northeastern United States on June 21 and December 21.

The diagram shows the apparent paths of the Sun in relation to a house in the northeastern United States on June 21 and December 21. Teacher: Mr. gerraputa Print Close Name: 1. Approximately how many hours of daylight are received at the North Pole on June 21? 1. 0 3. 18 2. 12 4. 24 2. The diagram shows the apparent paths of the Sun

More information

Motions of the Moon and Eclipses

Motions of the Moon and Eclipses Motions of the Moon and Eclipses The Moon revolves around the Earth and rotates on its axis with the same period. The combined effect of these two motions means that one side of the Moon always faces the

More information

8. Mercury, the planet nearest to the Sun, has extreme surface temperatures, ranging from 465 C in sunlight to 180 C in darkness.

8. Mercury, the planet nearest to the Sun, has extreme surface temperatures, ranging from 465 C in sunlight to 180 C in darkness. 6.E.1 Unit Test DO NOT WRITE ON THIS QUIZ!!! 1. The largest body in our solar system is Earth. the Sun. Jupiter. the Moon. 4. What do the four planets closest to the Sun have in common? Their solid, rocky

More information

Answers for the Study Guide: Sun, Earth and Moon Relationship Test

Answers for the Study Guide: Sun, Earth and Moon Relationship Test Answers for the Study Guide: Sun, Earth and Moon Relationship Test 1) It takes one day for the Earth to make one complete on its axis. a. Rotation 2) It takes one year for the Earth to make one around

More information

Time, Day, Month, and the Moon

Time, Day, Month, and the Moon Time, Day, Month, and the Moon Announcements o First Homework will start on Tue Sept 20st; due on Thu, Sept 29th. o Accessible through SPARK Assigned Reading n Units 7 and 8 Goals for Today n To discuss

More information

Answers. Sun, Earth, Moon. Year 7 Science Chapter 10

Answers. Sun, Earth, Moon. Year 7 Science Chapter 10 Answers Sun, Earth, Moon Year 7 Science Chapter 10 p216 1 Geocentric indicates a model in which Earth is the centre of the universe. 2 Pythagoras reasoning was that the sphere is the perfect shape and

More information

Tropical Horticulture: Lecture 2

Tropical Horticulture: Lecture 2 Lecture 2 Theory of the Tropics Earth & Solar Geometry, Celestial Mechanics The geometrical relationship between the earth and sun is responsible for the earth s climates. The two principal movements of

More information

The Celestial Sphere. Chapter 1 Cycles of the Sky. Models and Science. Constellations 9/26/2013

The Celestial Sphere. Chapter 1 Cycles of the Sky. Models and Science. Constellations 9/26/2013 Chapter 1 Cycles of the Sky The Celestial Sphere A useful, spherical map of the sky, with the Earth in the center of a giant celestial sphere. Stars and planets are plotted on the sphere, at the same distance.

More information

CELESTIAL CLOCK - THE SUN, THE MOON, AND THE STARS

CELESTIAL CLOCK - THE SUN, THE MOON, AND THE STARS INTRODUCTION CELESTIAL CLOCK - THE SUN, THE MOON, AND THE STARS This is a scientific presentation to provide you with knowledge you can use to understand the sky above in relation to the earth. Before

More information

Name: Section: Date: EXERCISE A: EARTH MOTIONS AND EARTH-SUN RELATIONS

Name: Section: Date: EXERCISE A: EARTH MOTIONS AND EARTH-SUN RELATIONS Name: Section: Date: EXERCISE A: EARTH MOTIONS AND EARTH-SUN RELATIONS REFERENCE: Textbook: Geosystems: An Introduction to Physical Geography Ch.1 Essentials of Geography and Ch.2 Solar Energy to Earth

More information

Astron 100 Sample Exam 1 1. Solar eclipses occur only at (A) New moon (B) 1 st quarter moon (C) Full moon (D) 3 rd quarter moon (E) The equinoxes 2.

Astron 100 Sample Exam 1 1. Solar eclipses occur only at (A) New moon (B) 1 st quarter moon (C) Full moon (D) 3 rd quarter moon (E) The equinoxes 2. Astron 100 Sample Exam 1 1. Solar eclipses occur only at (A) New moon (B) 1 st quarter moon (C) Full moon (D) 3 rd quarter moon (E) The equinoxes 2. If the Moon is at first quarter tonight in Amherst,

More information

Page 1. Name: Questions 1 through 4 refer to the following: Questions 5 and 6 refer to the following:

Page 1. Name: Questions 1 through 4 refer to the following: Questions 5 and 6 refer to the following: Name: 3211-1 - Page 1 Questions 1 through 4 refer to the following: Questions 5 and 6 refer to the following: The diagram below represents a plastic hemisphere upon which lines have been drawn to show

More information

Grade 6 Science Space Unit Test

Grade 6 Science Space Unit Test Name: Grade 6 Science Space Unit Test 1. The Earth s axis in tilted 23.5 Section C Short Answer (Use complete sentences, and diagrams to help) 1. Explain the difference between the rotation and revolution.

More information

Name Period 4 th Six Weeks Notes 2015 Weather

Name Period 4 th Six Weeks Notes 2015 Weather Name Period 4 th Six Weeks Notes 2015 Weather Radiation Convection Currents Winds Jet Streams Energy from the Sun reaches Earth as electromagnetic waves This energy fuels all life on Earth including the

More information

Today. Appearance of the Sky. Orientation. Motion of sky. Seasons. Precession. Phases of the Moon

Today. Appearance of the Sky. Orientation. Motion of sky. Seasons. Precession. Phases of the Moon Today Appearance of the Sky Orientation Motion of sky Seasons Precession Phases of the Moon The Appearance of the Sky The Local Sky An object s altitude (above horizon) and direction (along horizon) specify

More information

The Reasons for the Seasons

The Reasons for the Seasons Guiding Question: What causes the seasons on Earth? The Reasons for the Seasons Vocabulary astrolabe equinox rotate axis horizon solstice elliptical revolve (orbit) sundial Materials Exploration (per group)

More information

The following words and their definitions should be addressed before completion of the reading:

The following words and their definitions should be addressed before completion of the reading: Seasons Vocabulary: The following words and their definitions should be addressed before completion of the reading: sphere any round object that has a surface that is the same distance from its center

More information

Unit 2 - Quiz 2 2-D Models

Unit 2 - Quiz 2 2-D Models 2-D Models 1. If an observer on Earth views Polaris on the horizon, the observer is located at the A) Tropic of Cancer (23.5 N) B) North Pole (90 N) C) equator (0 ) D) Tropic of Capricorn (23.5 S) 2. At

More information

ASTRONOMY REVIEW Qs (2) (3) (4)

ASTRONOMY REVIEW Qs (2) (3) (4) 1. Which statement provides evidence that Earth revolves around the Sun? (1) Winds at different latitudes are curved different amounts by the Coriolis effect. (2) Different star constellations are visible

More information

Unit 5 Test

Unit 5 Test 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. Unit 5 Test 1. How many days does it take to complete a single Lunar Cycle? A. About 365 B. About 1 C. About 28

More information

EDMONDS COMMUNITY COLLEGE ASTRONOMY 100 Winter Quarter 2007 Sample Test # 1

EDMONDS COMMUNITY COLLEGE ASTRONOMY 100 Winter Quarter 2007 Sample Test # 1 Instructor: L. M. Khandro EDMONDS COMMUNITY COLLEGE ASTRONOMY 100 Winter Quarter 2007 Sample Test # 1 1. An arc second is a measure of a. time interval between oscillations of a standard clock b. time

More information

Physical; Ch. 12 Test; Earth, Moon, & Sun

Physical; Ch. 12 Test; Earth, Moon, & Sun Physical; Ch. 12 Test; Earth, Moon, & Sun Multiple Choice Identify the choice that best completes the statement or answers the question. 1. When are tides highest? a. during the moon s first quarter phase

More information

.11 THE DAY. S it crosses the meridian at apparent noon. Before (ante) noon is thus a.m., while after (post) noon is p.m. FIGURE 7.

.11 THE DAY. S it crosses the meridian at apparent noon. Before (ante) noon is thus a.m., while after (post) noon is p.m. FIGURE 7. Confirming Pages UNIT 7 PA RT I The Time of Day From before recorded history, people have used events in the heavens to mark the passage of time. The day was the time interval from sunrise to sunrise,

More information

A model of the Earth and Moon

A model of the Earth and Moon A model of the Earth and Moon Background Information This activity demonstrates the relative sizes of the Earth and Moon and the distance between them. The Moon is our nearest neighbour. It orbits the

More information

1. How many days each year does the Sun rise due East and set due West?

1. How many days each year does the Sun rise due East and set due West? Motion of the Sun Student Page Purpose To examine the path of the Sun across the sky at different times of the year from different locations on the Earth, and study its effects at different locations.

More information

Earth in the Solar System

Earth in the Solar System Copyright 2011 Study Island - All rights reserved. Directions: Challenge yourself! Print out the quiz or get a pen/pencil and paper and record your answers to the questions below. Check your answers with

More information

The changing phases of the Moon originally inspired the concept of the month

The changing phases of the Moon originally inspired the concept of the month The changing phases of the Moon originally inspired the concept of the month Motions of the Moon The Moon is in orbit around the Earth, outside the atmosphere. The Moon `shines via reflected light (12%)

More information

Chapter 8, Astronomy

Chapter 8, Astronomy Chapter 8, Astronomy Model some of the ways in which scientists observe the planets. Relate evidence that Earth rotates and define revolution. Scientists use many tools to observe and study the universe.

More information

Essential Question. Enduring Understanding

Essential Question. Enduring Understanding Earth In Space Unit Diagnostic Assessment: Students complete a questionnaire answering questions about their ideas concerning a day, year, the seasons and moon phases: My Ideas About A Day, Year, Seasons

More information

Proffessor: J. C. Cersosimo

Proffessor: J. C. Cersosimo Proffessor: J. C. Cersosimo Objectives Student will: Recognize the Solar and Lunar calendar Demonstrate the how the Moon phases form Explain the main elements of an orbits Describe the orbit of the Earth

More information

The Sun, Earth, and Moon

The Sun, Earth, and Moon The un, Earth, and Moon A Reading A Z Level W Benchmark Book Word Count: 1,211 BENCHMARK W The un, Earth, and Moon Written by David L. Dreier Visit www.readinga-z.com for thousands of books and materials.

More information

The Sun-Earth-Moon System. Unit 5 covers the following framework standards: ES 9, 11 and PS 1. Content was adapted the following:

The Sun-Earth-Moon System. Unit 5 covers the following framework standards: ES 9, 11 and PS 1. Content was adapted the following: Unit 5 The Sun-Earth-Moon System Chapter 10 ~ The Significance of Earth s Position o Section 1 ~ Earth in Space o Section 2 ~ Phases, Eclipses, and Tides o Section 3 ~ Earth s Moon Unit 5 covers the following

More information

Celestial Observations

Celestial Observations Celestial Observations Earth experiences two basic motions: Rotation West-to-East spinning of Earth on its axis (v rot = 1770 km/hr) (v rot Revolution orbit of Earth around the Sun (v orb = 108,000 km/hr)

More information

Earth-Sun Relationships. The Reasons for the Seasons

Earth-Sun Relationships. The Reasons for the Seasons Earth-Sun Relationships The Reasons for the Seasons Solar Radiation The earth intercepts less than one two-billionth of the energy given off by the sun. However, the radiation is sufficient to provide

More information

Note S1: Eclipses & Predictions

Note S1: Eclipses & Predictions The Moon's Orbit The first part of this note gives reference information and definitions about eclipses [14], much of which would have been familiar to ancient Greek astronomers, though not necessarily

More information

Kinesthetic Astronomy: Longer Days, Shorter Nights

Kinesthetic Astronomy: Longer Days, Shorter Nights GRADE LEVEL 3 rd -8 th ; California Content Standards for 3 rd, 5 th, 6 th 8 th SUBJECTS Earth & Space Science, Using Models DURATION Preparation: 20 minutes Activity: 60 minutes SETTING Classroom Objectives

More information

Page 1. Name:

Page 1. Name: Name: 1) As seen from New York State, the noon Sun is never directly overhead directly overhead every day directly overhead on the first day of spring and fall directly overhead only on the first day of

More information

Sun Earth Relationships

Sun Earth Relationships 1 ESCI-61 Introduction to Photovoltaic Technology Sun Earth Relationships Ridha Hamidi, Ph.D. Spring (sun aims directly at equator) Winter (northern hemisphere tilts away from sun) 23.5 2 Solar radiation

More information

2. EARTH AND THE SEASONS

2. EARTH AND THE SEASONS 2. EARTH AND THE SEASONS EQUIPMENT 12-inch diameter globe with tilted rotation axis and hour circle 12-inch diameter ring light Ring light stand and clamp Dark-colored towel Protractor with attached string

More information

Earth-Sun Geometry. Introduction: Earth-Sun Geometry

Earth-Sun Geometry. Introduction: Earth-Sun Geometry Earth-Sun Geometry Readings: A&B: Ch. 2 (p. 42-50) CD Tutorial: Earth-Sun Geometry www: 2. Earth- Sun Geometry Topics 1. Introduction 2. Orbital Geometry a) Rotation b) revolution 3. Seasons a) Solstices

More information

Earth's Revolution and its Seasons

Earth's Revolution and its Seasons NAME PER PART 1 - Earth's Revolution: Earth's Revolution and its Seasons Examine the Figure 1 above. Answer these questions. 1. True/False: As Earth revolves around the Sun it is always tilted toward the

More information

EARTH'S MOTIONS. 2. The Coriolis effect is a result of Earth's A tilted axis B orbital shape C revolution D rotation

EARTH'S MOTIONS. 2. The Coriolis effect is a result of Earth's A tilted axis B orbital shape C revolution D rotation EARTH'S MOTIONS 1. Which hot spot location on Earth's surface usually receives the greatest intensity of insolation on June 21? A Iceland B Hawaii C Easter Island D Yellowstone 2. The Coriolis effect is

More information

Science 1206 Unit 2: Weather Dynamics Worksheet 11: Seasons and the Angle of the Sun

Science 1206 Unit 2: Weather Dynamics Worksheet 11: Seasons and the Angle of the Sun Science 1206 Unit 2: Weather Dynamics Worksheet 11: Seasons and the Angle of the Sun Much of the Earth s weather, especially our changing seasons are caused by: 1) Tilt of the Earth - Earth is tilted at

More information

Geometry and Geography

Geometry and Geography Geometry and Geography Tom Davis tomrdavis@earthlink.net http://www.geometer.org/mathcircles March 12, 2011 1 Pedagogical Advice I have been leading mathematical circles using this topic for many years,

More information

The Sun, Earth, and Moon

The Sun, Earth, and Moon The Sun, Earth, and Moon A Reading A Z Level W Benchmark Book Word Count: 1,211 BENCHMARK W The Sun, Earth, and Moon Written by David L. Dreier Visit www.readinga-z.com for thousands of books and materials.

More information

Today. 03 Geodesy. Sphericity. Columbus. Eratosthenes. Pythagoras GEOG 101 8/16/16. Instructor: Pesses 1

Today. 03 Geodesy. Sphericity. Columbus. Eratosthenes. Pythagoras GEOG 101 8/16/16. Instructor: Pesses 1 Today 03 Geodesy Part I Introducing Geography Geography 101 Physical Geography: Earth s Surface Landscapes M. Pesses, Antelope Valley College Geodesy Land Division Geodesy ô Science dealing with the measurement

More information

UCCS PES 1620 Solar Energy Lab Seasons Lab Fall 2014 name:

UCCS PES 1620 Solar Energy Lab Seasons Lab Fall 2014 name: UCCS PES 1620 Solar Energy Lab Seasons Lab Fall 2014 name: 1. During the winter in the Northern Hemisphere, the "land of the midnight sun" would be found a. at high latitudes. b. at middle latitudes. c.

More information

The Moon and Eclipses. ASTR 103 September 21, 2016

The Moon and Eclipses. ASTR 103 September 21, 2016 The Moon and Eclipses ASTR 103 September 21, 2016 1 Moon in the Sky An image of the Earth and Moon taken from 1 million miles away www.nasa.gov/feature/goddard/from-a-million-miles-away-nasa-camera-shows-moon-crossing-face-of-earth

More information

How often does the day-and-night cycle occur on Earth?

How often does the day-and-night cycle occur on Earth? In ancient Greece, people believed that powerful gods were responsible for all things that happened in nature. The Greeks believed that Helios, the Sun god, drove his fiery chariot from one end of Earth

More information

Name Homeroom. Science Quiz Day/Night, Sun s Energy, Seasons September 24, 2012

Name Homeroom. Science Quiz Day/Night, Sun s Energy, Seasons September 24, 2012 Name Homeroom Science Quiz Day/Night, Sun s Energy, Seasons September 24, 2012 1. The winter solstice occurs on either December 21 or 22, depending on the year. Which of the following statements best explains

More information

01) The Sun s rays strike the surface of the Earth at 90 degrees at the on December 22.

01) The Sun s rays strike the surface of the Earth at 90 degrees at the on December 22. Package Title: Testbank Course Title: Introducing Physical Geography 6e Chapter Number: 01 Question Type: Multiple Choice 01) The Sun s rays strike the surface of the Earth at 90 degrees at the on December

More information

Rotation of the Earth

Rotation of the Earth Earth rotates from West to East Axis of Rotation Why does the Sun appear to rise in the east and set in the west? link to animation by Barth Van Bossuyt 2011 Rotation of the Earth Rotation is the spin

More information

LAB 2 EARTH AND THE SEASONS. Due: Fri Oct :00 PM EDT Question 1. Instructions Lab 2: Earth and the Seasons (Globe Version)

LAB 2 EARTH AND THE SEASONS. Due: Fri Oct :00 PM EDT Question 1. Instructions Lab 2: Earth and the Seasons (Globe Version) Lab G: Earth and the Seasons (T) (5079) Due: Fri Oct 10 01 1:00 PM EDT Question 1 Instructions Lab : Earth and the Seasons (Globe Version) Read the lab before attending lab. You might find it easier to

More information

Measuring the Earth. Technology Strategies for Success PO Box 1485 East Northport, NY (631) NYS-PREP

Measuring the Earth. Technology Strategies for Success PO Box 1485 East Northport, NY (631) NYS-PREP Measuring the Earth Technology Strategies for Success PO Box 1485 East Northport, NY 11725 (631)734-0115 1-888-NYS-PREP techstrategies@gmail.com Earth Science. Part 1 Table of Contents 1.0 Introduction

More information

FIRST GRADE 1 WEEK LESSON PLANS AND ACTIVITIES

FIRST GRADE 1 WEEK LESSON PLANS AND ACTIVITIES FIRST GRADE 1 WEEK LESSON PLANS AND ACTIVITIES UNIVERSE CYCLE OVERVIEW OF FIRST GRADE UNIVERSE WEEK 1. PRE: Describing the Universe. LAB: Comparing and contrasting bodies that reflect light. POST: Exploring

More information

Full credit for this chapter to Prof. Leonard Bachman of the University of Houston

Full credit for this chapter to Prof. Leonard Bachman of the University of Houston Chapter 6: SOLAR GEOMETRY Full credit for this chapter to Prof. Leonard Bachman of the University of Houston SOLAR GEOMETRY AS A DETERMINING FACTOR OF HEAT GAIN, SHADING AND THE POTENTIAL OF DAYLIGHT PENETRATION...

More information

What are the intervals (in degrees) for lines of latitude on your globe? 15 o

What are the intervals (in degrees) for lines of latitude on your globe? 15 o Where in the World. THE GLOBE Since the times of the ancient Greeks, people knew the earth was round. In 150 BCE the Greek geometer Crates of Mallus built a world globe ten feet in diameter. Thus for centuries,

More information

Lesson 4 The Seasons. There are 5 major zones on the earth.

Lesson 4 The Seasons. There are 5 major zones on the earth. In this lesson I will talk about what causes our four seasons, spring, summer, fall, and winter. I will cover this by telling some of the myths about what many think are the cause of our seasons and then

More information

8.5 Motions of Earth, the Moon, and Planets

8.5 Motions of Earth, the Moon, and Planets 8.5 Motions of, the, and Planets axis axis North Pole South Pole rotation Figure 1 s axis is an imaginary line that goes through the planet from pole-to-pole. orbital radius the average distance between

More information

Moon Phases & Eclipses Notes

Moon Phases & Eclipses Notes Moon Phases & Eclipses Notes Melka 2014-2015 The Moon The Moon is Earth s one natural satellite. Due to its smaller size and slower speed of rotation, the Moon s gravity is 1/6 of the Earth s gravitational

More information

7th Grade Astronomy. Read and answer each question carefully. 1) When viewing a solar eclipse, what is the phase of the moon?

7th Grade Astronomy. Read and answer each question carefully. 1) When viewing a solar eclipse, what is the phase of the moon? Read and answer each question carefully. 1) When viewing a solar eclipse, what is the phase of the moon? A) Waning gibbous B) Waxing gibbous C) New moon D) Full moon 2) In the picture shown, what is the

More information

2. EARTH-SUN GEOMETRY

2. EARTH-SUN GEOMETRY G109: 2. Earth-Sun Geometry 1 2. EARTH-SUN GEOMETRY Reading Assignment: A&B: Ch. 2 (p. 53-61) CD: Tutorial 1 Solar Geometry LM: Lab. 5 www: Earth-Sun Geometry Introduction The Sun is the only important

More information

C E C U R R I C U L U M I E N S C B L E I T A. i N T E G R A T I N G A R T S i n O N A T I D U C B L I P U. Student Learning Objectives:

C E C U R R I C U L U M I E N S C B L E I T A. i N T E G R A T I N G A R T S i n O N A T I D U C B L I P U. Student Learning Objectives: Day/Night (Rotation) E Q U I T A B L E S C I E N C E C U R R I C U L U M Lesson 1 i N T E G R A T I N G A R T S i n P U B L I C E D U C A T I O N NGSS Science Standard: 5-ESS1-2 Represent data in graphical

More information

Name. 1. Most of the stars found in our galaxy are in multiple star systems. a) True b) False

Name. 1. Most of the stars found in our galaxy are in multiple star systems. a) True b) False Name Physical Science 113 - Astronomy Exam I Indicate the most correct answer on your scantron sheet. This is only one correct answer for each question. 1. Most of the stars found in our galaxy are in

More information

astronomy 2008 1. A planet was viewed from Earth for several hours. The diagrams below represent the appearance of the planet at four different times.

astronomy 2008 1. A planet was viewed from Earth for several hours. The diagrams below represent the appearance of the planet at four different times. 1. A planet was viewed from Earth for several hours. The diagrams below represent the appearance of the planet at four different times. 5. If the distance between the Earth and the Sun were increased,

More information

Chapter 1: Introduction to Earth

Chapter 1: Introduction to Earth Chapter 1: Introduction to Earth I. Geography as a Field of Learning A. defining geography 1. Earth description 2. areal/spatial differentiation of elements on Earth s surface B. 2 branches of geography

More information

Earth s Moon and Solar System Test Prep

Earth s Moon and Solar System Test Prep Earth s Moon and Solar System Test Prep 1.An observer on Earth determines that the apparent diameter of the Moon as viewed from Earth varies in a cyclic manner. The best explanation for this observation

More information

Name Period Date Unit 5 Test: Earth-Sun-Moon System. 1. The diagram below shows the relative positions of Earth and the Moon and rays of sunlight.

Name Period Date Unit 5 Test: Earth-Sun-Moon System. 1. The diagram below shows the relative positions of Earth and the Moon and rays of sunlight. Name Period Date Unit 5 Test: Earth-Sun-Moon System Multiple Choice: 30 questions at 2 points each (60 points) 1. The diagram below shows the relative positions of Earth and the Moon and rays of sunlight.

More information

The Motion of the Moon: Phases & Eclipses

The Motion of the Moon: Phases & Eclipses The Motion of the Moon: Phases & Eclipses Last class, we talked about the motion of the stars and the Sun as seen from the Earth. We ll talk about the motion the planets in the next class. Today, we ll

More information

Night Sky III Planetary Motion Lunar Phases

Night Sky III Planetary Motion Lunar Phases Night Sky III Planetary Motion Lunar Phases Astronomy 1 Elementary Astronomy LA Mission College Spring F2015 Quotes & Cartoon of the Day Everything has a natural explanation. The moon is not a god, but

More information

1. Model: A representation of a real object or event. Ex: Map Globe Graphs A. Models are useful because they allow an easier way to study objects or

1. Model: A representation of a real object or event. Ex: Map Globe Graphs A. Models are useful because they allow an easier way to study objects or 1. Model: A representation of a real object or event. Ex: Map Globe Graphs A. Models are useful because they allow an easier way to study objects or events. 2. The shape of the Earth A. The earth is round.

More information

Shadows, Angles, and the Seasons

Shadows, Angles, and the Seasons Shadows, Angles, and the Seasons If it's cold in winter, why is Earth closer to the Sun? This activity shows the relationship between Earth-Sun positions and the seasons. From The WSU Fairmount Center

More information

The Earth Really is Flat! The Globe and Coordinate Systems. Long History of Mapping. The Earth is Flat. Long History of Mapping

The Earth Really is Flat! The Globe and Coordinate Systems. Long History of Mapping. The Earth is Flat. Long History of Mapping The Earth Really is Flat! The Globe and Coordinate Systems Intro to Mapping & GIS The Earth is Flat Day to day, we live life in a flat world sun rises in east, sets in west sky is above, ground is below

More information

The Earth, Sun & Moon. The Universe. The Earth, Sun & Moon. The Universe

The Earth, Sun & Moon. The Universe. The Earth, Sun & Moon. The Universe Football Review- Earth, Moon, Sun 1. During a total solar eclipse, when almost all of the Sun's light traveling to the Earth is blocked by the Moon, what is the order of the Earth, Sun, and Moon? A. Moon,

More information

Astronomy Review. Use the following four pictures to answer questions 1-4.

Astronomy Review. Use the following four pictures to answer questions 1-4. Astronomy Review Use the following four pictures to answer questions 1-4. 1. Put an X through the pictures that are NOT possible. 2. Circle the picture that could be a lunar eclipse. 3. Triangle the picture

More information

Douglas Adams The Hitchhikers Guide to the Galaxy

Douglas Adams The Hitchhikers Guide to the Galaxy There is a theory which states that if ever anybody discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.

More information

Astronomy 101 Lab: Seasons

Astronomy 101 Lab: Seasons Name: Lecture Instructor: Astronomy 101 Lab: Seasons Pre-Lab Assignment: In class, we've talked about the cause of the seasons. In this lab, you will use globes to study the relative positions of Earth

More information

Physics 130 Astronomy Exam #1 July 19, 2004

Physics 130 Astronomy Exam #1 July 19, 2004 Physics 130 Astronomy Exam #1 July 19, 2004 Name Multiple Choice: 1. A scientist observes a new phenomenon that disagrees with his explanation or hypothesis. Following the scientific methods, he should

More information

Seasons (Observable Patterns)

Seasons (Observable Patterns) Seasons (Observable Patterns) E Q U I T A B L E S C I E N C E C U R R I C U L U M Lesson 3 i N T E G R A T I N G A R T S i n P U B L I C E D U C A T I O N NGSS Science Standard: 5-ESS1-2 Represent data

More information

OBJECT: To become familiar with some of the motions of the stars, Sun, Moon and planets as seen from the surface of the Earth.

OBJECT: To become familiar with some of the motions of the stars, Sun, Moon and planets as seen from the surface of the Earth. INSIDE LAB 2: Celestial Motions OBJECT: To become familiar with some of the motions of the stars, Sun, Moon and planets as seen from the surface of the Earth. DISCUSSION: As seen from a point of view centered

More information

Activity 1: What is latitude and longitude?

Activity 1: What is latitude and longitude? Activity 1: What is latitude and longitude? Background information The voyages of European navigators about 500 years ago led to the establishment of shipping routes and the need for accurate maps and

More information