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