1. This represents _ the different forms of electromagnetic radiation. 2. Light is classified as _ because electrical and magnetic fields vibrate in a light wave.
3. _ is energy that travels by radiation. An example is light.
4. Heat radiation, also know as _, cannot be seen by your eyes but can be felt by your skin.
5. Microwaves are one type of _.
6. _ can be used to communicate with satellites.
7. Because _ have the highest energy of all electromagnetic radiation, the are the most damaging to human tissue.
8. Compared to all other types of electromagnetic radiation, radio waves have the lowest _.
9. An overexposure to _ can result in sunburns and skin cancer.
10. Why should you use sunscreen and a hat when you are out in the sun?