Across
- 4. The number of hours it takes the earth to rotate on its axis.
- 5. On a line graph both axis must have an even _______.
- 6. This planet is the closest to the sun.
- 7. This planet lies between Jupiter and Uranus.
- 8. Some planets are made of rock, the others are made of _______.
- 11. The gas that makes up most of a star.
- 13. The time taken for the Earth to orbit the sun.
- 14. The Earth rotates on it's _______.
Down
- 1. A scientific statement that you can prove or disprove
- 2. The number of days it takes for the moon to orbit the Earth
- 3. The process happening inside a star that causes it to release energy.
- 9. These provide evidence that the sun is rotating on an axis.
- 10. The largest planet in our solar system
- 12. Our planet.