Scince crossword

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Across
  1. 3. mass of cytoplasm
  2. 5. cells in the body
  3. 6. longterm of weather in a particular area
  4. 8. substance that has a defined composition
Down
  1. 1. bulid and organizes knowledge of the world
  2. 2. energy of motion,observable movement of a object
  3. 4. the matter of energy
  4. 7. the capacity for doing work.