Science Crossword Puzzles

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Across
  1. 3. leaf: the factory where photosynthesis takes place
  2. 4. substances that are formed in chemical reactions
  3. 7. what is needed for a reaction to take place
  4. 8. plants make food in the form of sugar and produce oxygen
  5. 9. organelles where photosynthesis takes place
Down
  1. 1. distributes water to the plant
  2. 2. energy: comes from the sun
  3. 4. carries the glucose to the plant make its own food
  4. 5. lets gas in and out of the leaf
  5. 6. a green pigment that allows the plant to absorb sunlight