Across
- 2. When there is too much water for the ground to soak in.
- 4. Water vapor losing energy to turn into liquid water.
- 7. This has 100cm.
- 11. A push or a pull
- 12. The element that makes up 78% of our atmosphere.
- 14. Starts life as a tadpole.
- 16. The force that holds us to Earth.
- 17. Rain, sleet, snow, or hail.
- 18. The outer layer of the Earth.
- 19. Living factors of an ecosystem.
- 20. Has a crest and a trough.
Down
- 1. The non-living factors in an ecosystem.
- 3. Our closest star.
- 5. The planet with the most rings.
- 6. The lunar landing module from Apollo 11.
- 8. What is passed from plant/animal in a food web.
- 9. Measures temperature.
- 10. A force that opposes motion.
- 13. The planet we live on.
- 15. The name of the first launched USSR satellite.