Read the clue. Fill in the crossword puzzle with the correct word. The crossword puzzle will turn green if you are correct! Take a picture of the completed puzzle to show your teacher.
1. Underground rock or sediment that allows water to flow through it
2. A mix of decaying plants and animal waste that is used as plant fertilizer
3. When something is not usable because of the presence of something impure or hazardous
4. The cutting down of all the trees in a large area
5. To recycle and make a new product, but the new product has a lower quality or value than the old
6. The natural world, including all the land, water, air, and living things
7. A natural or chemical substance that provides nutrients to the soil to help plants grow
8. A place where fish are caught
9. A deposit of fuel that was once ancient plants and animals; includes coal, oil, and natural gas
10. A slowmoving sheet of ice formed by many years of snow
11. Water that is found in aquifers under the surface of the Earth
12. Ice that has formed from many years of snow, covering a large area of land andor ocean
13. A gas that causes the greenhouse effect by absorbing radiation from the sun
14. The trapping of heat on the surface of the Earth; caused by a layer of greenhouse gases that prevent the sun’s radiation from escaping Earth’s atmosphere
15. Of the ocean
16. A layer of material placed on the ground to keep water in the soil
17. Plants and animals that are natural to an area
18. The catching of too many fish in an area
19. A layer responsible for absorbing most of the harmful radiation from the sun
20. A natural or chemical substance that kills organisms responsible for harming plants.
21. The presence of harmful and poisonous substances that do not occur naturally in an environment.
22. To collect and process trash, making it into a new product
23. The ability to continue at a certain level; often refers to keeping a balance in the environment between people and nature
24. To reuse an item that would be thrown away, often giving it more value than it started with
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