Across
- 2. The remains of a plant or animal from a long time ago
- 3. Something that can pull certain metals
- 7. The tiny thing everything is made of
- 8. The smallest part of a living thing
- 10. The power that lets things move or work
- 12. A big round object that goes around a star
- 13. Dirt where plants grow
- 15. A hard natural thing found on the ground
- 17. The path something takes around a planet or star
- 18. The big star that gives Earth light and heat
- 19. Energy that makes things warm
Down
- 1. What helps us see in the dark
- 4. What makes things happen or move
- 5. A state of matter you usually can’t see
- 6. A push or a pull
- 9. The force that pulls things down to Earth
- 11. A clear liquid that people, animals, and plants need to live
- 12. A living thing that grows in the ground and needs sunlight
- 14. The object that goes around Earth and shines at night
- 16. The gas people breathe to stay alive