Science Revision

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Across
  1. 3. green pigment which makes photosynthesis
  2. 7. a synonym for circulatory system
  3. 10. cellular respiration w/ out air
  4. 12. cellular respiration w/ air
  5. 13. the "thing" undergoing the chemical reaction
  6. 14. air sacs in which the human gas exchange happens
Down
  1. 1. mass mass of a molecule
  2. 2. concept in chemistry to count small things
  3. 3. process in which cells make energy
  4. 4. how plants make their food (glucose)
  5. 5. enzyme that catalyses the hydrolysis of starch into sugars
  6. 6. through where does the air travel to lungs?
  7. 8. speed up chemical reactions
  8. 9. what is an enzyme?
  9. 11. the place on an enzyme where the reaction takes place