Across
- 2. Sound travels in ...
- 4. Type of machine that sends out soundwaves and receives the echoes.
- 5. When opposite poles are put together the magnets a......
- 8. White light is made up of many...
- 10. Light is a type of e.....
- 12. Some forensic scientists work for the ......
Down
- 1. They have a north and south pole.
- 3. A type of energy used to light a globe
- 6. A mirror does this to light r.......
- 7. Magnets r.... when the same poles are put together.
- 9. On a sunny day, our bodies can make a ...... on the ground.
- 11. Light is refracted or b... as it travels through water.