1. Solar System Review

2. a large hole that is made when a meteorite crashes into a planet or moon. crater crater

3. It includes the Sun, the planets, their moons, and other objects that orbit the sun. Solar system Solar system

4. A vehicle that carries cameras and other tools for studying different objects in space. Space probe Space probe

5. A system of millions to trillions of stars, gases, and dust held together by gravity. galaxy galaxy

6. Space and everything in it universe universe

7. The study of the sun, moon, stars and other objects in space. astronomy astronomy

8. An object that orbits another object in space. satellite satellite

9. True or False Most of the universe is empty space. Most of the universe is empty space. True True

10. True or False Our sun is the largest star in the universe. Our sun is the largest star in the universe. False False

11. True or False The Moon is part of our solar system. The Moon is part of our solar system. True True

12. True or False All planets have one moon. All planets have one moon. False False

13. True or False Earth is the only planet with an atmosphere. Earth is the only planet with an atmosphere. False False

14. True or False Io is the largest moon in the solar system. Io is the largest moon in the solar system. False False

15. True or False Mercury has many moons. Mercury has many moons. False False

16. True or False Mercury is very cold during the day. Mercury is very cold during the day. False False

17. True or False Mars has many volcanoes. Mars has many volcanoes. True True

18. True or False Neptune’s great dark spot is a lot like a hurricane. Neptune’s great dark spot is a lot like a hurricane. True True

19. True or False Pluto is classified as a dwarf planet. Pluto is classified as a dwarf planet. True True

20. True or False Sedna is farther from the sun than Pluto. Sedna is farther from the sun than Pluto. True True

21. True or False Neptune is the eighth planet from the Sun. Neptune is the eighth planet from the Sun. True True

22. Name the inner planets Mercury Mercury Venus Venus Earth Earth Mars Mars

23. Name the outer planets Jupiter Jupiter Saturn Saturn Uranus Uranus Neptune Neptune Pluto (classified as a dwarf planet) Pluto (classified as a dwarf planet)

24. Name the gas giants Jupiter Jupiter Saturn Saturn Uranus Uranus Neptune Neptune

25. What is the largest planet in our solar system? What is the largest planet in our solar system? Jupiter Jupiter

26. What planet has rings we can see from Earth? What planet has rings we can see from Earth? Saturn Saturn

27. What planet rotates on its side? What planet rotates on its side? Uranus Uranus

28. Who was the first person to see the moons of Jupiter? Who was the first person to see the moons of Jupiter? Galileo Galileo

29. What planet is red? What planet is red? Mars Mars

30. What planet has a great dark spot that is like a hurricane? What planet has a great dark spot that is like a hurricane? Neptune Neptune

31. What planet is closest to the sun? What planet is closest to the sun? Mercury Mercury

32. What two planets are a greenish blue color from the methane gas? What two planets are a greenish blue color from the methane gas? Neptune Neptune Uranus Uranus