Review for CA #2

4. Cycle How nitrogen moves through the atmosphere, soil, and living things.
7. Cycle The movement of water through evaporation, condensation, and precipitation.
8. The daily conditions such as temperature, wind, and precipitation.
12. Sheets Huge layers of ice that cover large areas of land.
15. Pollution Harmful gases or particles released into the air.
18. A large body of saltwater that covers much of Earth.
20. When plants use sunlight, water, and carbon dioxide to make food.
23. A powerful storm that forms over warm ocean water.
25. The layer of gases that surrounds Earth.
27. The upper part of the geosphere, including Earth’s crust.
28. The wearing away of rock or soil by wind, water, or ice.
29. All frozen water on Earth like ice, snow, and glaciers.
30. Cycle How phosphorus moves through rocks, soil, plants, and animals.

1. Large, slow-moving masses of ice.
2. Harmful substances released into the air, water, or land.
3. Cycle How sulfur moves through the environment, including volcanoes.
5. Smaller flowing bodies of freshwater.
6. Nutrients added to soil to help plants grow.
9. Water that falls from the sky as rain, snow, sleet, or hail.
10. The solid parts of Earth such as rocks, soil, and minerals.
11. When water vapor cools and changes into liquid droplets.
13. All living things on Earth, including plants, animals, and people.
14. Smoke Polluted air created when forests or plants burn.
16. All the water on Earth, including oceans, lakes, rivers, and water vapor.
17. Cycle How carbon moves through the air, living things, soil, and fossil fuels.
19. Fixation When bacteria change nitrogen in the air into forms plants can use.
21. When liquid water changes into water vapor.
22. Fuels Energy sources like coal and oil that release carbon when burned.
24. Flowing bodies of freshwater that move across land.
26. The long-term weather pattern in a region.
31. The natural home where a plant or animal lives.