Across
- 2. element needed for plants/animals to ake proteins, amino acids, DNA
- 3. 3% of Earth's water
- 5. lightning and __ can transform into usable form for plants/animals
- 13. purifying process of water converting to water vapor going up in atmosphere
- 14. largest reservoir of nitrogen
- 16. water that can absorb in the ground
- 17. 97% of Earth's water is ___water
- 18. occurs when water vapor turns into liquid water because of cold atmosphere
- 19. this cycle relies on the Sun and gravity to move through and around Earth. Also called hydrologic cycle
Down
- 1. water from the leaves of plants changing to water vapor because of Sun's heat
- 4. gravity causes this to fall to Earth's surface when clouds become too heavy with liquid
- 6. all living organisms like single-celled. fungi, bacteria
- 7. form commonly used by plants and secind substance created in nitrification (NO3-)
- 8. dead organic matter/substance decays/break down. it becomes a simpler matter/substance such as mineral salt and carbon dioxide
- 9. water becomes ___ when it flows along the surface into bodies of water
- 10. all water on Earth including moisture in air, glaciers, ice caps, and groundwater
- 11. largest reservoir of carbon
- 12. when nitrogen is changed by bacteria to allow plants to consume nitrogen
- 15. cycle is part of seawater, atmosphere, rock, soil, and living things
- 16. ground, minerals, rocks found on/in Earth