photosynthesis

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Across
  1. 2. we breath it in.
  2. 4. its a green substance in a plant
  3. 6. you need it to see in the dark
  4. 7. we breath it out.
  5. 10. scientists only ever change one variable in an experiment
Down
  1. 1. our breathing cycle that makes us warm
  2. 3. something that controls all of our cells
  3. 5. how our plants develop and grow and how they do it
  4. 8. its something sweet that u might put on your breakfast
  5. 9. its something clear we drink