Across
- 3. Coarse solid, largest particles, does not retain water
- 5. A soft, dust-like soil, easily eroded
- 6. Resources that can be replaced naturally and can be used again (like trees or wind)
- 8. A black or dark brown rock formed from dead plants that lived millions of years ago
- 9. A thick, liquid fossil fuel found underground, created from tiny sea organisms that died millions of years ago
Down
- 1. Resources that cannot be quickly replaced and will eventually run out (like oil or coal)
- 2. Fuels Energy sources formed from ancient plants and animals buried underground (like coal, oil, and natural gas)
- 4. Gas A colorless, odorless fuel found underground, formed from decomposed plants and animals
- 7. Mixture of silt, sand and clay, ideal for most plants
- 8. Fine-grain soil, does not drain well