Across
- 2. we can't live without this gas made mostly of nitrogen and oxygen
- 5. the planet with many rings around it
- 6. sweet liquid made by bees
- 10. these flying, biting insects can carry diseases like malaria
- 13. mixing blue and red makes this color
- 15. a doctor's medical helper
- 16. the square root of nine (mathematics)
Down
- 1. fish use these instead of lungs for breathing
- 3. we do this when we are tired
- 4. chairs, desks, tables and beds are __________
- 7. people break this part of their bodies sometimes
- 8. they fly airplanes
- 9. a doctor for your teeth
- 11. this is used to make bread
- 12. the biggest animal in the world
- 14. we can't breathe without these