Across
- 3. Using food and yard waste to create nutrient-rich soil.
- 7. An organism that makes its own food through photosynthesis.
- 9. The ability to allow heat or electricity to pass through.
- 10. Electricity generated using moving water.
- 11. An organism that eats other organisms.
- 12. Tectonic process that contributes to mineral formation.
- 15. Using resources in a way that meets current and future needs.
- 16. An element that cycles through ecosystems and forms the backbone of life.
- 18. Type of change that doesn’t create a new substance.
- 21. Nonrenewable resource formed from ancient organisms.
- 25. The permanent loss of a species.
- 26. Long-term patterns of temperature and precipitation in an area.
- 28. Organelle in plant cells where photosynthesis happens.
- 29. The part of Earth where life exists.
- 32. Gas produced during photosynthesis and needed for respiration.
- 33. Renewable energy from the Sun.
- 34. Organic material burned for energy (like wood or plant waste).\
- 35. Energy of motion.
- 37. Protecting natural resources for future use.
- 40. Renewable resource that uses moving air to generate electricity.
- 41. A resource that can be replenished naturally over short periods.
- 42. Stored energy based on position or condition.
- 43. Process that converts sunlight into chemical energy in plants.
- 44. Renewable energy from heat within the Earth.
Down
- 1. The living parts of an ecosystem.
- 2. Type of change that produces a new substance.
- 4. Catching fish faster than they can reproduce.
- 5. Movement of soil or rock due to water, wind, or human activity.
- 6. Mass divided by volume.
- 8. A resource that cannot be replaced within a human lifetime.
- 13. The clearing of trees that leads to habitat loss.
- 14. Energy related to the temperature of an object.
- 17. The nonliving parts of an ecosystem (water, sunlight, etc.).
- 19. When organisms fight for the same limited resources.
- 20. A close, long-term relationship between species.
- 22. An animal that hunts other animals for food.
- 23. Breaks down dead organisms and recycles nutrients.
- 24. A greenhouse gas released by burning fossil fuels.
- 26. Protecting natural resources through careful use.
- 27. Reprocessing materials to use again.
- 30. Harmful materials entering the environment.
- 31. When a natural area is changed so much that species can’t live there.
- 32. A rock containing valuable metals or minerals.
- 36. Using resources without depleting them.
- 38. Type of gas that traps heat in Earth’s atmosphere.
- 39. A material’s ability to dissolve in a liquid.