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