Across
- 3. This process involves the transformation of a solid directly into a gas, bypassing the liquid state.
- 4. This element is a major component of the atmosphere and is crucial for the formation of amino acids and proteins.
- 6. Cycle: This process describes the movement of nitrogen between the atmosphere, soil, and living organisms.
- 9. Water: This term refers to water that is found on the Earth's surface, such as in rivers, lakes, and oceans.
- 10. This process involves the conversion of nitrates back into nitrogen gas by bacteria, returning it to the atmosphere.
- 11. Cycle: This process describes the movement of carbon between the atmosphere, oceans, soil, and living organisms.
- 13. This process involves the conversion of ammonia into nitrites and nitrates by bacteria in the soil.
- 14. This process involves the transformation of water vapor into liquid water, often forming clouds.
- 15. This term refers to water that is stored underground in aquifers and can be accessed through wells.
- 16. This process involves the falling of water, in the form of rain, snow, sleet, or hail, from the atmosphere to the Earth's surface.
Down
- 1. This element is vital for the formation of DNA, RNA, and ATP, the energy currency of cells.
- 2. This element is the most abundant in the universe and is a key component of water and organic molecules.
- 5. This process involves the release of water vapor from plants into the atmosphere.
- 7. This process involves the transformation of water from a liquid to a gas, usually due to heat.
- 8. Cycle: This process describes the continuous movement of water on, above, and below the surface of the Earth.
- 12. This element is essential for cellular respiration and is a major component of the Earth's atmosphere.
- 14. This element is the backbone of all organic molecules and is essential for life.
