Across
- 3. – A force that brings something closer.
- 5. – A force that moves something away.
- 7. – The planet where we live.
- 8. – The part of the cell that gives energy.
- 9. – A force that slows things when they rub.
- 11. – The cell part that makes proteins.
- 14. – The outer cover that protects the cell.
- 16. – The very hot center of the Earth.
- 17. – A force that pulls things toward Earth.
- 18. – Earth’s natural space friend.
Down
- 1. – An object that moves around a planet.
- 2. – The hot layer around the inner core.
- 4. – The cell part that cleans up waste.
- 6. – The star that gives us light and heat.
- 10. – The smallest living part of plants and animals.
- 12. – The layer of Earth between core and its thin outer crust.
- 13. – The outermost layer of the Earth
- 15. – A unit of force.
