Across
- 1. Found at the beach.
- 3. It doesn't reflect light.
- 5. Kind of soil used to make pots, vases, bricks.
- 8. The basic substances that make matters.
- 9. Something that people can use to meet their needs.
- 11. Very large stone.
Down
- 1. About something made out of the sand.
- 2. A form, a shape carved in wood or stone.
- 4. Loose top layer on the Earth's surface.
- 6. Diamond, quartz, salt, ...
- 7. From nature.
- 10. Flat, regular, or easy to slide your finger on.
- 12. Hard and non-living things from Earth.