elliptical orbits

Transcription

1 elliptical orbits Name: 1. Which graph best represents the force of gravity between and the Sun during one revolution of around the Sun?. 2. Base your answer(s) to the following question(s) on the diagram below, which represents an exaggerated view of revolving around the Sun. Letters, B,, and represent s location in its orbit on the first day of each of the four seasons. B. s rate of revolution around the Sun is approximately. 1 per day B. 360 per day. 15 per hour per hour 3. The Moon s cycle of phases can be observed from because the Moon.. is smaller than B. is tilted on its axis. rotates on its axis. revolves around. page 1

2 4. Base your answer(s) to the following question(s) on the Science Reference Tables, the diagram below, and your knowledge of science. The diagram represents a model of the -Moon system as viewed from above the North Pole. The numbers 1 through 8 represent positions of the Moon as it revolves around. The parts of the diagram lettered through show hoe the Moon s phases to an observer in New York State. 8. n observer in New York State sees a crescent phase of the moon, as shown. t which position is the Moon when this crescent is observed?. position 6 B. position 2. position 8. position 4 9. The accompanying diagram shows the Moon in different positions as it revolves around, as observed from above the North Pole (NP). The time required for the Moon to complete one cycle of phases is about one. day B. week. month. year 5. s the Moon s phase changes from first quarter to last quarter, the visible portion of the Moon as observed from will. decrease, only B. increase, only. decrease, then increase. increase, then decrease 6. Which motion causes the Moon to show phases when viewed from? Which image correctly represents the Moon at position 8, as observed from?. B.. rotation of B. revolution of. rotation of the Moon. revolution of the Moon 7. Which Moon phase appears highest in the sky at midnight to an observer on?... full moon B. new moon. first quarter. last quarter page 2 elliptical orbits

3 10. Base your answer(s) to the following question(s) on the graph below, which shows the maximum altitude of the Moon, measured by an observer located at a latitude of 43 N during June in a particular year. The names and appearance of the four major Moon phases are shown at the top of the graph, directly above the date on which the phase occurred. 12. Base your answer(s) to the following question(s) on the diagram below, which shows the altitude and apparent position of the noontime Sun, as seen from various latitudes on on a particular day of the year. Letters through represent locations on s surface. Which season will begin at 41 N latitude, three months after the date represented by this diagram? Which diagram best represents the Moon s phase observed on June 11?. B.. summer B. fall. winter. spring 13. The same side of the Moon always faces because the. Moon s period of rotation is longer than its period of revolution around.. B. Moon s period of rotation is shorter than its period of revolution around. Moon rotates once as it completes one revolution around. Moon does not rotate as it completes one revolution around 11. uring which Northern Hemisphere season is closest to the Sun?. spring B. summer. autumn. winter page 3 elliptical orbits

4 14. Base your answer(s) to the following question(s) on the diagram below, which shows s orbit around the Sun as viewed from space. is shown at eight different positions labeled through H. s North Pole, rctic ircle, and equator have been labeled at position. The arrows show the direction of orbital motion. 16. Base your answer(s) to the following question(s) on the diagram below which shows as viewed from space on ecember 21. Some latitudes are labeled. ecember 21 Place an X at a location on s surface where the Sun was directly overhead at some time on ecember omplete the data table below by placing the letter that represents the position of at the start of each season in the Northern Hemisphere. Season spring summer fall winter s position 17. Base your answer(s) to the following question(s) on the table below and on your knowledge of science. The table provides information about sunlight received on four dates of a certain year. Letter represents a date. The arrows indicate the Sun s direct rays. ate Sept 23 ec 21 Position of Relative to the Sun s Rays Seasonal Event Fall equinox: Equal day and night Sun on the horizon at poles irect ray at equator Winter solstice: rea north of rctic ircle in constant darkness 15. Seasonal changes on are primarily caused by the. parallelism of the Sun s axis as the Sun revolves around B. changes in distance between and the Sun. elliptical shape of s orbit around the Sun. tilt of s axis as revolves around the Sun June 21 Spring equinox: Equal day and night Sun on the horizon at poles irect ray at equator Summer solstice: rea south of ntarctic ircle in constant darkness irect ray at 23.5 N State the number of daylight hours occurring north of the rctic ircle on June 21. page 4 elliptical orbits

5 Problem-ttic format version c Educide Software Licensed for use by jim benedict Terms of Use at elliptical orbits /03/ B 14. Season s position spring summer fall winter E G The center of the X should be located closely to the Tropic of apricorn (23.5 S). 24 h