Science crossword

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Across
  1. 2. A chemical reaction that happens in all living cells
  2. 4. The movement of the whole body from one place to another
  3. 5. The result of not receiving the correct balance of foods
  4. 7. A large carbohydrate molecule and the food store in many plant tissues
  5. 8. Change can reverse into it's original state
  6. 9. An instrument for measuring electrical current
  7. 10. The beginning of the development of a new individual
  8. 11. The positive and negative ends of a power switch
Down
  1. 1. The joining together of a sperm and a egg
  2. 3. Travel in a straight line
  3. 6. The use of foods in the body
  4. 10. A building block of a living organism
  5. 12. In the air