Across
- 3. Lowest frequency waves
- 4. The only waves we can see
- 5. Shorter wavelength than visible light used to see the skeletal system.
- 7. Describes all of kinds of light, including those the human eye cannot see.spectrum
- 8. Longer wavelengths than infrared waves and are used to heat food quickly.
Down
- 1. Moderate frequency and used in remote controls
- 2. Shorter wavelength than visible light but longer wavelengths than x-ray.
- 6. Highest frequency and is often used to fight cancer.