Science

2. the gases surrounding Earth, forming the air and weather systems.
4. processes that release minerals or nutrients from rocks
8. evaporation of water from plant leaves
12. cycle movement of elements through living organisms and the environment
13. water stored underground in aquifers
15. of liquid water changes to vapor
17. rain, snow, sleet, or hail returning water to Earth
18. fixation bacteria or lightning convert atmospheric N₂ into ammonia (NH₃) or ammonium (NH₄⁺)
19. effect increase in Earth’s temperature from trapped heat by CO₂ and other gases
20. any process, location, or system that releases a substance or energy into the environment, adding it to a cycle.

1. storage location for elements or compounds (e.g., ocean, atmosphere, soil)
3. flow of water into the ground to recharge aquifers
5. downward movement of water into soil and rock layers
6. any process, location, or system that absorbs or stores a substance or energy from the environment, temporarily or permanently removing it from a cycle.
7. the solid parts of Earth, including rocks, soil, and landforms.
9. layer of rock or sediment holding groundwater
10. water vapor cools to liquid forming clouds
11. all water on, above, and below Earth’s surface
12. all living things on Earth and the environments where they exist.
14. movement of water across Earth’s surface
16. fuels long-term carbon storage from buried organic material (coal, oil, natural gas)