Photosynthesis

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Across
  1. 3. nucleus
  2. 5. Helps plants grow
  3. 7. how plants convert sugar and energy from water, air and sunlight into energy to grow.
  4. 9. O2
  5. 10. the basic unit of a chemical element.
Down
  1. 1. ocean, sea, lake, river, stream, canal, pond, or puddle.
  2. 2. water (H2O) has three atoms, two hydrogen (H) atoms and one oxygen (O) atom.
  3. 4. the muscle
  4. 6. energy-carrying molecule found in the cells of all living things.
  5. 8. the smallest structural and functional unit of an organism