2. Take the Challenge. Answer the questions about the planets to Reach the Stars. Click Here to Begin the Game Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto

3. What planet has the most extreme heat difference? A. MercuryB. Venus C. EarthD. Mars Click on the correct answer.

4. Mercury is the _______ planet. A. Smallest B. Second smallest C. ColdestD. Hottest Click on the correct answer.

5. What is the first planet from the Sun? A. VenusB. Pluto C. MercuryD. Earth Click on the correct answer.

6. What is true about Mercury? A. Closest to the Sun B. Has no moons C. Many cratersD. All of these Click on the correct answer.

7. Venus is the ______ planet. A. hottestB. coldest C. biggestD. smallest Click on the correct answer.

8. What planet is similar to Earth’s size and mass? A. PlutoB. Venus C. MarsD. Mercury Click on the correct answer.

9. On Venus the Sun rises in the ______. A. EastB. North C. WestD. South Click on the correct answer.

10. What is true about Venus? A. No moonsB. Hottest planet C. Has volcanoesD. All of these Click on the correct answer.

11. What is the only planet that supports life? A. EarthB. Mars C. VenusD. Mercury Click on the correct answer.

12. About how long does it take for the Moon to orbit the Earth? A. One DayB. One month C. One YearD. One century Click on the correct answer.

13. Seasons occur on Earth because the Earth orbits the Sun and the Earth ___. A. rotatesB. has a core C. is tilted D. None of these Click on the correct answer.

14. What is true about the Earth? A. Supports lifeB. Has atmosphere C. Intelligent beings D. All of these Click on the correct answer.

15. Mars is reddish-yellow because _______. A. of iron oxide in rocks B. it is hot C. None of theseD. All of these Click on the correct answer.

16. Mars has ________. A. life on it B. large volcanoes C. ringsD. All of these Click on the correct answer.

17. Flowing water on Mars may have caused ________. A. volcanoesB. dust storms C. channelsD. All of these Click on the correct answer.

18. What is true about Mars? A. Large Volcanoes B. Large channel C. Thin atmosphere D. All of these Click on the correct answer.

19. What is the largest planet? A. JupiterB. Saturn C. UranusD. Earth Click on the correct answer.

20. The Great Red Spot is on which planet? A. SaturnB. Jupiter C. NeptuneD. Venus Click on the correct answer.

21. Jupiter’s moon, Io, has ________. A. oceansB. moons C. active volcanoes D. None of these Click on the correct answer.

22. What is true about Jupiter? A. Has many moons B. Great Red Spot C. Faint ringsD. All of these Click on the correct answer.

23. What is the second largest planet? A. SaturnB. Jupiter C. UranusD. Neptune Click on the correct answer.

24. Which planet has a complex ring system? A. EarthB. Saturn C. PlutoD. None of these Click on the correct answer.

25. What is Saturn’s largest moon? It also has a nitrogen atmosphere. A. JunoB. Io C. TitanD. None of these Click on the correct answer.

26. What is true about Saturn? A. Has the most moons B. Has rings C. Gaseous planetD. All of these Click on the correct answer.

27. What is the planet that is tilted the most towards the Sun? A. UranusB. Neptune C. EarthD. Jupiter Click on the correct answer.

28. Name the Seventh planet from the Sun. A. SaturnB. Uranus C. JupiterD. Neptune Click on the correct answer.

29. Which planet has a bluish-green color? A. JupiterB. Pluto C. UranusD. Saturn Click on the correct answer.

30. What is true about Uranus? A. Most tiltedB. Bluish Green C. Over 20 moonsD. All of these Click on the correct answer.

31. What planet is sometimes the ninth planet? A. NeptuneB. Uranus C. MercuryD. All of these Click on the correct answer.

32. Which planet has a dark-colored storm in its atmosphere? A. UranusB. Neptune C. PlutoD. Mars Click on the correct answer.

33. What planet is similar to Uranus in color and size. A. PlutoB. Mars C. NeptuneD. Mercury Click on the correct answer.

34. What is true about Neptune? A. Gaseous planetB. Bluish-green C. Triton MoonD. All of these Click on the correct answer.

35. What is the smallest planet? A. PlutoB. Earth C. MercuryD. None of these Click on the correct answer.

36. Which planet is usually the ninth planet from the Sun? A. UranusB. Pluto C. AsteroidD. Saturn Click on the correct answer.

37. What are rocks called that strike the Earth’s surface? A. GraniteB. Comets C. MeteoritesD. Meteoroids Click on the correct answer.

38. What is true about Pluto? A. SmallB. Ice-rock planet C. One moonD. All of these Click on the correct answer.

39. The closest star to Earth is ____ ? A. The SunB. Betelgeuse C. PolarisD. None of these Click on the correct answer.

40. The north star is in a group of stars called _____. A. the Big Dipper B. the Little Dipper C. Leo the LionD. Taurus the Bull Click on the correct answer.

41. Name this Constellation. A. Big DipperB. Leo the Lion C. OrionD. None of these Click on the correct answer.

42. In what direction does the tail of a comet always point? A. Toward the SunB. Toward Earth C. Toward the North Pole D. Away from the sun Click on the correct answer.

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