Across
- 2. Over time rocks and ________ break down into little pieces to form soil.
- 6. What makes soil healthy and good for growing plants?
- 7. Which layer of soil is best for growing plants?
- 9. What is a mix of soil and rotting parts of plants and animals?
- 10. ______ cannot grow without nutrients.
Down
- 1. What do we call soil that is rich with nutrients?
- 3. ______ and other small living things help break down the living things.
- 4. Which layer of soil is beneath topsoil?
- 5. Fertile soil is important for crops and other plants.
- 8. Soil takes a very long time to _______.