7.4 Crossword

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Across
  1. 3. This gas is an input of plants.
  2. 4. A new substance forms.
  3. 5. This is another output of plants. You can see little droplets in a closed system.
  4. 8. This is the sugar molecule that plants produce.
Down
  1. 1. This is where the glucose forms in a plant cell.
  2. 2. This energy is necessary for the chemical reaction to happen in plants.
  3. 6. This gas is an output of plants. We breathe it in.
  4. 7. This DOES NOT provide food molecules to plants.