photosyntesis

1234567891011121314
Across
  1. 4. chemical formula for water
  2. 5. an elongated cell organelle containing chloropyll where photosynthesis takes place
  3. 7. roots absorb water from roots
  4. 8. organisms that use light energy from the sun to produce food.
  5. 9. plants need ? energy
  6. 11. humans require ? to survive
  7. 12. organisms that cannot use the suns energy to make food.
  8. 13. is photo synthesis a chemical or physical reaction
Down
  1. 1. the green pigment inside the chloroplast that absorbs light for photosynthesis
  2. 2. plants are the ? step on the food chain
  3. 3. respiration the breakdown of glucose molecules to release energy
  4. 6. the process changing light energy to chemical energy
  5. 7. we can not make our own food so we get it from...?
  6. 10. another scientific word for sugar
  7. 14. chemical formula for carbon dioxide