Science

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Across
  1. 3. what reacts together to get a product?
  2. 7. what part of the body does the food go in when you eat
  3. 8. what is the basic unit of all living organisms?
  4. 9. what is the movement of a substance from an area of high concentration to an area of low concentration?
  5. 11. what is needed to stay healthy
  6. 13. which cells carry oxygen around the body
  7. 14. what system is used for eating
Down
  1. 1. what bone is in your head?
  2. 2. what is 70%of your body mass
  3. 3. what provides us energy
  4. 4. what acid do lemons have?
  5. 5. if you didn't have this bone you wouldn't be able to stand
  6. 6. does food contain energy
  7. 10. what is a push or pull
  8. 12. if the ph is 1 is that an acid or alkali?