Earth Day Vocabulary

3. – To keep something safe from harm or damage.
6. – The process of a species dying out completely.
8. – Rules made by governments to help control or guide behavior.
9. – A large body in space that orbits a star, like Earth.
10. – A group of similar living organisms.
13. – Large bodies of salt water that cover most of the Earth's surface.
14. – The accidental release of a liquid, often something dangerous like oil.
16. – The clearing or removal of forests or trees.
18. – A person who works to bring about political or social change.
19. – The careful use and protection of natural resources.
21. – Gases that trap heat in the Earth’s atmosphere.
23. – Animals that live and grow in natural conditions.
26. – Substances used in or produced by a chemical process.
27. – The natural world, including air, water, land, and living things.
28. – To bring something back to its original condition.
29. – Relating to the whole world.
30. – Understanding or knowing about something.

1. – Causing damage or injury.
2. – A public display of group opinion, often in the form of a protest or march.
4. – Natural materials that people use, like water, air, or trees.
5. – The process of turning waste into reusable material.
7. – Chemicals used to kill pests, especially insects on crops.
11. – The presence of harmful substances in the environment.
12. – The process of making the environment dirty or unsafe.
15. – Long-term changes in temperature, weather, and patterns in the Earth's climate.
17. – Not made or changed by humans; coming from nature.
20. – Able to be maintained at a certain level without damaging the environment.
22. – Knowledge or understanding of a situation or issue.
24. – A sudden event that causes great damage or suffering.
25. – To put time, effort, or resources into something expecting a result.