Year 4 Science Revision

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Across
  1. 6. The leaves fold up when touched.
  2. 7. When we breathe, we ........... air into the lungs.
  3. 8. A type of energy that makes calculator work.
  4. 11. Human responds to this.
  5. 12. A form of energy that travels in all direction.
  6. 14. Cigarette smoke contains this dangerous substance.
  7. 15. Animals with backbone.
  8. 16. Is the ability to do work.
Down
  1. 1. Cockroaches breathe using this.
  2. 2. Substance in plants that absorb sunlight.
  3. 3. Animals that live on land and in water.
  4. 4. It is the excretion product from the kidney.
  5. 5. Travels in a straight line.
  6. 9. Is the gas that enters our lungs during breathing.
  7. 10. Process of plants making their own food.
  8. 12. Part of the plants which responds to sunlight.
  9. 13. Process of disposing digested food out of the body.