Plants that sustain life

12345678910111213
Across
  1. 3. The main food crop that feeds billions of people around the world.
  2. 4. This plant is a staple food in most parts of the world - it can be mashed, chipped or boiled!
  3. 6. Reactant used up in photosynthesis; enters the plant through the root
  4. 7. This word means to strengthen of support
  5. 9. Gas produced in photosynthesis
  6. 11. Product formed in Photosynthesis
  7. 12. Gas used up in photosynthesis
  8. 13. A grass that is a cereal staple food year round and is used to make flour, semolina or malt.
Down
  1. 1. This plant is essential for making chocolate.
  2. 2. Type of energy required for photosynthesis
  3. 4. Organisms which create their own food by photosynthesis
  4. 5. This large plant is a major oxygen producer and used to make wood for buildings
  5. 8. This plant is used to make alcohol or fuels
  6. 10. A plant that provides fibre for clothing, paper, and ropes.