Across
- 2. A structure that has a specific task within both types of cell
- 4. An organelle in plants cells that makes food from sunlight
- 6. Mechanical energy of flowing water, used to generate electricity.
- 9. The process by which sediment comes to rest
- 11. Organic matter used as fuel
- 14. Many cells
- 16. Includes all of the gases on the planet
- 17. Obsidian, basalt, pumice
- 18. Has 3 times the energy as wood, easy to transport
- 19. Generates power through fission
- 20. Fuels contain a store of energy
Down
- 1. Cells that do not contain a nucleus.
- 3. Summer and Winter
- 5. Pipeline, environmental damage
- 7. Mosses, ferns, flowering plants
- 8. Less pollution, little environmental impact
- 10. Includes the living plants and animals in the many biomes on Earth.
- 12. An organism that makes its own food through photosynthesis
- 13. Forms when minerals that form from solutions or sediment from older rocks and cemented together.
- 15. The daily rise and fall of Earth's oceans