Across
- 2. a hard solid material usually shiny
- 6. light that helps something grow
- 7. a gas that surrounds our planet
- 8. a liquid made from petroleum
Down
- 1. a liquid that is used to hydrate living things
- 3. a loose granular substance
- 4. a combustible black piece made from plant matter
- 5. a hard mineral matter made with rocks
- 6. it's found in the ground and helps plants grow