Across
- 4. This is a nonliving solid found in nature
- 7. Humus contains this that help a plant grow well
- 9. This is tiny bits of dead plants and animals in soil
- 11. Animals get what from plants?
- 12. Soil is "what" to all living things?
- 15. The "what" of Earth is made of different kinds of solid materials?
- 16. This is the loose material that covers Earth's surface
Down
- 1. What do people often do to make softer rocks into statues?
- 2. Soil ______________ bits of rock, humus, air, and water
- 3. What get the water and nutrients they need from soil?
- 5. This is made up of land and water
- 6. Minerals from some rocks are used in what?
- 8. People use hard rocks to make building and what?
- 10. Minerals do what in different ways to form different kinds of rocks?
- 13. In which layer of soil do small rocks collect?
- 14. This is a solid made of one or more minerals