Layla Tilley 2A

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