Across
- 4. the lowest frequency waves that allow you to listen to your favorite stations in the car
- 7. the range of sizes and speed
- 8. the only light waves we can see
Down
- 1. longer wavelength than infrared waves and used for heating food quickly
- 2. the highest frequency wave and often used to fight cancer
- 3. shorter wavelength than visible light but longer x-rays; can cause sunburn
- 5. moderate frequency and used in remote controls
- 6. shorter wavelength than visible light and used to view the skeletal system