Scientific Words

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Across
  1. 4. a fun guy!
  2. 7. finger like projections that line the wall of the small intestines
  3. 10. you can see through it
  4. 12. the monthly cycle that women get
  5. 13. the gooey substance inside your mouth
  6. 14. a large carbohydrate molecule
  7. 15. hard but easily broken
  8. 18. a variation of radiation
  9. 19. needed to make things happen
Down
  1. 1. the lowest note of a cord
  2. 2. unable to push waste material out of the gut
  3. 3. someone who studies volcanoes
  4. 5. the unit of energy
  5. 6. eject matter from your tummy
  6. 8. the layer of light sensitive cells at the back of the eye
  7. 9. a chemical used to destroy microbes on surface
  8. 11. an area of total shadow behind an opaque object where no light has reached
  9. 14. poo and wee are mixed in with this
  10. 16. an optical phenomenon
  11. 17. an organ of sight