Across
- 6. when a living thing dies and slowly breaks down into smaller pieces
- 7. things from the Earth that people can use
- 10. the top layer of soil that is best for growing plants
- 12. to put something back, or to make more of something that was taken away
- 15. a building where many things can be made
- 16. when Earth’s crust shakes
- 19. ( the energy and sound that is made when something explodes
- 20. the layer of soil under the topsoil
- 23. a mountain that lava can come out of
Down
- 1. hard, nonliving parts of soil and rocks
- 2. to not waste things
- 3. a mix of tiny rocks and dead plants and animals
- 4. the way something feels when you touch it
- 5. something on the Earth that is not put there or built by people
- 8. to use something again
- 9. a hard, nonliving part of the Earth
- 11. to make new things from old things
- 12. to use less of something
- 13. soil heavy, wet soil that is used to make pots and bricks
- 14. rot
- 15. a large amount of water that covers an area that is usually dry
- 17. something that can help people do or build something
- 18. anything that can make water, air, soil, or land dirty
- 21. a very hot liquid that comes out of a volcano
- 22. to use too much of something, or to throw something away that isn’t garbage