1. The Sun’s Energy The Sun releases a huge amount of energy into the space around it. It’s the same amount of energy as 100 billion tons of TNT exploding every second!

2. Electromagnetic Radiation Electromagnetic radiation is one way of moving energy from one place to another place Energy moves from the Sun to the earth in the form of electromagnetic radiation

4. Radio

5. Microwave

6. Radio Microwave Infrared

7. Radio Microwave Infrared Visible

8. Radio Microwave Infrared Visible Ultraviolet

9. Radio Microwave Infrared Visible Ultraviolet X-ray

10. Radio Microwave Infrared Visible Ultraviolet X-ray Gamma Ray

11. Together, they make up…

12. Radio Microwave Infrared Visible Ultraviolet X-ray Gamma Ray

15. Is electromagnetic radiation harmful? It depends… Radio, microwave, infrared, and visible usually aren’t harmful, but can be if the radiation is very strong Ultraviolet, x-rays, and gamma rays are more harmful

16. We can’t see it But the radiation is still there. There is Electromagnetic radiation from radio antennas, cell phone towers, the Sun, and other sources in this room. You, like this dog, are a source of infrared electromagnetic radiation!