Across
- 3. The Solar System is part of what?
- 6. What is the largest planet?
- 7. Where is the asteroid belt located?
- 8. Which planet is the hottest?
- 11. Why do planets stay in orbit?
- 13. How many moons does Earth have?
- 14. Why is Jupiter easy to see?
- 15. What is a telescope used for?
- 16. Which planet is called the Blue Planet?
- 18. Which planet rotates on its side?
- 22. Why do astronauts go to space?
- 23. What tool do scientists use to study space?
- 25. What does the Sun give to Earth?
- 26. What is at the center of the Solar System?
- 28. What are Saturn’s rings made of?
- 29. How many planets are in the Solar System?
- 30. What galaxy do we live in?
- 31. What is the Solar System?
- 32. What are the inner planets?
- 33. What is a dwarf planet?
- 35. What are the outer planets?
- 38. What causes the seasons?
Down
- 1. What is Pluto classified as?
- 2. What is a meteor often called?
- 4. What does the Moon do around Earth?
- 5. Which planet has famous rings?
- 9. What is a comet?
- 10. Which planet is closest to the Sun?
- 11. Why can Earth support life?
- 12. Which planet is farthest from the Sun?
- 17. What is an asteroid?
- 19. What makes Mars look red?
- 20. What is a space probe?
- 21. What force keeps planets moving around the Sun?
- 24. What is gravity?
- 27. What is a meteor called when it hits Earth?
- 33. What is an orbit?
- 34. Which planet is called the Red Planet?
- 36. What causes day and night?
- 37. Why do comets have tails?