Across
- 3. 300 000 km/s is the _____ of sound.
- 4. Body system that allows us to move.
- 7. Sound is a ______ wave.
- 10. Disaccharide made of two glucose.
- 11. The type of wave with the longest wave length.
- 12. Part of the eye that allows us to see colour
Down
- 1. Part of the eye that allows us to see in dark areas.
- 2. A straight stick appearing bent in water is an example of ____________.
- 5. The top of a light wave.
- 6. The part of the electromagnetic spectrum humans can see (one word).
- 8. Type of mirror that makes you look upside down.
- 9. Heart and breath rate are part of what system?