| Across |
| 2. | How hot can mercury's temperature get (celsius) (numbers)? |
| 7. | Which substance can be mainly found on saturn along with hydrogen |
| 9. | What planet is four away from the sun? |
| 11. | How many moons does earth have |
| 12. | Which planet is most dense in the solar system? |
| 16. | Is saturn or jupiter largest? |
| 17. | How many planets is the solar system made up of? |
| 18. | how many moons does neptune have? |
| 21. | How long is a day on the sun |
| 22. | What does jupiter orbit? |
| 24. | Who is earth's sister planet? |
| 25. | What is the planet that is the most kilometres awat from the sun? |
| 27. | How many planets does uranus have (hours)? |
| 29. | Which planet used to be a planet? |
| 31. | What planet has an atmosphere with 97 percent carbon-dioxide? |
| 32. | How many planets is jupiter away from the sun? |
| 33. | Roman goddess mars is which god of what? |
| 35. | How many artificial objects are orbiting earth right now (numbers)? |
| 36. | What is the closet planet to the sun |
| 37. | How long is a day on pluto (hours) (numbers)? |
| 38. | How many days does it take venus to rotate (numbers)? |