1. { Chapter 9

2. E ARTH ON THE M OVE S TARS I NNER P LANETS O UTER P LANETS A STEROIDS, M ETEORS, COMETS, & M OONS 100 200 300 400 500

3. An imaginary line around which a planet spins.

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5. One full orbit of an object around another object

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7. One whole spin of an object around its axis

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9. What does the Earth rotate around?

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11. What causes the sun to appear to move across the sky?

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13. an explosive eruption of waves and particles into space

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15. a group of stars that form a pattern

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17. dark spots that move on the face of the sun

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19. What is the sun? a)Small star b)Large star c)Gas giant d)Average-size star

20. What is the sun? a)Small star b)Large star c)Gas giant d)Average-size star Return to Game Board

21. Which is NOT a layer of the sun? a)Photosphere b)Solar flare c)Corona d)Chromosphere

22. Which is NOT a layer of the sun? a)Photosphere b)Solar flare c)Corona d)Chromosphere Return to Game Board

23. a large, round object that revolves around a star and has cleared the region around its orbit

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25. the four closest planets to the sun

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27. What is the order of the inner planets from the sun?

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29. What planet is most like Earth?

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31. What causes day and night?

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33. A natural object that revolves around a planet

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35. the path an object takes as it revolves around a star, planet, or moon

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37. Name the outer planets from the sun.

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39. What do Jupiter, Saturn, Uranus, and Neptune have in common?

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41. Which choice best describes the parts of the Milky Way? a)Earth, its moon, the sun, and Jupiter b)Gas, dust, stars, and objects that orbit stars c)Asteroids, comets, objects that orbit stars, and the sun d)The inner planets, the outer planets, gas, and dust

42. Which choice best describes the parts of the Milky Way? a)Earth, its moon, the sun, and Jupiter b)Gas, dust, stars, and objects that orbit stars c)Asteroids, comets, objects that orbit stars, and the sun d)The inner planets, the outer planets, gas, and dust Return to Game Board

43. a spacecraft that gathers data without a crew

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45. a frozen mass of ice and dust

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47. Which is true about planets and asteroids? a)They are round b)They have an atmosphere c)They revolve around the sun d)They have cleared their orbit

48. Which is true about planets and asteroids? a)They are round b)They have an atmosphere c)They revolve around the sun d)They have cleared their orbit Return to Game Board

49. Which describes how often we see a full moon? a)Each time Earth rotates b)Each time the moon rotates c)Each time Earth revolves around the sun d)Each time the moon revolves around Earth

50. Which describes how often we see a full moon? a)Each time Earth rotates b)Each time the moon rotates c)Each time Earth revolves around the sun d)Each time the moon revolves around Earth Return to Game Board

51. What type of galaxy is shown below?

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53. E ARTH ON THE M OVE S TARS I NNER P LANETS O UTER P LANETS A STEROIDS, M ETEORS, COMETS, & M OONS axisSolar flareplanetmoonSpace Probe revolutionconstellationInner planetsorbitcomet rotationSun spots Mercury, Venus, Earth, Mars Jupiter, Saturn, Uranus, Neptune c) They revolve around the sun An axis d) Average-size star Mars They are all gaseous planets a) Each time the Earth Rotates Earth’s rotationb) Solar flare The rotation of Earth on its axis b) gas, dust, stars, and object that orbit stars Spiral Galaxy