Chapter 30. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.

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1 Name: Class: Date: Chapter 30 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The Viking landers sent back pictures of the reddish-colored, barren, rocky, windswept surface of. a. Mercury c. Uranus b. Jupiter d. Mars 2. Methane absorbs the red and yellow light on, while the clouds of these planets reflect the green and blue light. a. Venus and Earth c. Saturn and Jupiter b. Uranus and Neptune d. Neptune and Venus 3. has colorful clouds in bands of white, red, tan, and brown. a. Saturn c. Jupiter b. Uranus d. Neptune 4. In 1543, published his views of Earth and other planets revolving around the Sun. a. Kepler c. Copernicus b. Magellan d. Galileo 5. are pieces of rock that strike the surface of a moon or planet. a. Meteoroids c. Meteor showers b. Comets d. Meteorites 6. This planet has no true atmosphere. a. Mars c. Jupiter b. Saturn d. Mercury 7. was the first planet studied by the Voyager space probes. a. Jupiter c. Uranus b. Saturn d. Neptune 8. Neptune was the last planet to be visited by the space probe. a. Voyager I c. Voyager II b. Galileo d. Titan 9. Pluto differs from the other outer planets in that. a. it is not surrounded by a dense atmosphere b. it is the only outer planet with a solid, rocky surface c. its moon, Charon, has a diameter equal to half of Pluto's d. all of the above 10. Pluto is considered a planet. a. large c. small b. dwarf d. huge 11. A comet develops a coma because of. a. gravity c. the Oort Cloud b. Earth's atmosphere d. heat from the Sun 1

2 Name: 12. Which is not a dwarf planet? a. Pluto c. Mercury b. Eris d. Ceres 13. Evidence suggests that originate in the Oort Cloud located beyond the orbit of Pluto. a. comets c. meteoroids b. asteroids d. meteorites 14. is the largest planet in the solar system, is the fifth planet from the Sun, and has colorful clouds. One of its 17 moons is the most volcanically active object in the solar system. The planet has a liquid ocean and atmosphere comprised mostly of hydrogen and helium. It may have a rocky core, although its extreme pressure and temperature would make the core different from any rock on Earth. a. Jupiter c. Uranus b. Saturn d. Neptune 15. Solar energy trapped by gases in Venus's atmosphere causes. a. clouds to form c. the greenhouse effect b. its slow rotation d. a cooling effect 16. The first and only American space mission to Mercury was. a. Voyager I c. Mariner 10 b. Voyager II d. Apollo II 17. Water is found as a solid, liquid, and gas on. 18. People once believed that all planets and stars orbited around. 19. Galileo used his telescope to discover evidence for the Sun-centered model of the solar system. This evidence included all of the following EXCEPT. a. Venus going through phases b. Venus revolving around the Sun, not Earth c. the discovery of Neptune and Pluto d. both a and b 20. Planets formed from left over from the formation of the Sun at the center of the cloud. a. gravel c. solar wind b. gas, ice, and dust d. asteroids 21. Mercury is the planet from the Sun. a. fourth c. second b. third d. first 22. is the third planet from the Sun. 2

3 Name: 23. The order of the inner planets outward from the Sun is. a. Mercury, Earth, Venus, and Mars c. Mars, Venus, Earth, and Mercury b. Mercury, Venus, Earth, and Mars d. Earth, Venus, Mars, and Mercury 24. Venus and Earth both experience a because of heat trapped by their atmospheres. a. cloud cover c. greenhouse effect b. slow rotation d. cooling effect 25. The greenhouse effect on Earth keeps it warm enough for liquid water to exist. However, on Venus, the greenhouse effect warms the planet to. a. 475 C c. 90 C b. 900 C d. 47 C 26. Pluto has _ moon(s). a. 1 c. 3 b. 2 d What is the main reason why Venus surface is so hot? a. the large number of volcanoes on Venus b. the very efficient greenhouse effect on Venus c. the extremely fast rotation of Venus d. the great amount of water on Venus 28. Which of the following is one of the characteristics an object MUST have to be classified as a dwarf planet by the IAU? a. a solid surface c. a spherical shape b. at least one moon d. a head and at least one tail 29. Small, icy bodies that have highly eccentric orbits and can be found in the Oort cloud or the Kuiper belt are called. a. meteors c. asteroids b. comets d. meteorites 30. Interplanetary material that enters the Earth's atmosphere and collides with the ground rather than burning up is called a(n). a. meteor c. asteroid b. comet d. meteorite Matching Match each planet with the correct description below. a. Mars f. Mercury b. Jupiter g. Venus c. Saturn h. Uranus d. Pluto i. Neptune e. Earth 1. dark-colored storms and eight moons 2. iron oxide and polar ice caps 3. largest planet 3

4 Name: 4. dwarf planet 5. axis of rotation tilted on its side 6. greenhouse effect causes extremely high surface temperatures 7. craters, cliffs, and a weak magnetic field 8. liquid water oceans 9. most complex ring system Match the planets below with the letters labeling the planets in Figure Earth 11. Mercury 12. Neptune 13. Venus 14. Uranus 15. Mars 16. Saturn 17. Jupiter Figure 24-1 Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. 1. Galileo s discovery of Jupiter s moons proved that not all celestial bodies orbit Earth; therefore, Earth is not necessarily the center of the solar system. _ 4

5 Name: 2. Neptune has clouds and atmospheric belts and zones similar to those of Saturn and Uranus. _ 3. The Oort cloud and the Kuiper belt are asteroid belts. _ 5

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