Across
- 4. The settling of transported items.
- 6. The release of swallowed gas through the mouth.
- 7. To reuse unwanted substances or objects for another purpose.
- 9. A property of a material or substance that easily scratches another.
- 10. A solution with water as the solvent.
- 11. The green coloured chemical in plants.
Down
- 1. Made up of only one cell.
- 2. The loss of water from plant leaves through their stomata.
- 3. Excessive discharge of watery faeces.
- 5. Very light negatively charged particles inside an atom.
- 6. A substance produced by the liver that helps digest fat and oils.
- 8. A chemical reaction between oxygen and iron.