Plants and photosynthesis

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Across
  1. 3. Substance used to test for starch
  2. 4. Sugar product of photosynthesis
  3. 7. Plant organ which absorbs light
  4. 8. Liquid which is a product of photosynthesis
  5. 9. Organelle involved in photosynthesis
Down
  1. 1. Gas which goes out of a plant
  2. 2. Absorbs water from the soil
  3. 5. Type of energy plants use to make food
  4. 6. Pigment which makes plants green