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