carbohydrates

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Across
  1. 3. used to sweeten many foods
  2. 5. must be in the plan for photosynthesis
  3. 6. single units
  4. 9. chemical arrangements
  5. 10. plants combine glucose units
  6. 11. starches are classified as
  7. 12. chemical process that makes carbohydrates
  8. 13. carbon, hydrogen, oxygen build this
Down
  1. 1. main source of energy
  2. 2. consist of plant materials
  3. 4. sugars are called
  4. 7. sugars extracted from plant also used to sweeten foods.
  5. 8. two units