Radiation

Radiation

1. Radiation is energy that moves from one place to another.

2. Examples

   • Light, sound, heat, and X-rays

3. x- rays

   • a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases

4. gamma radiation

   • gamma rays

5. alpha radiation

   • ionizing radiation consisting of alpha particles, emitted by some substances undergoing radioactive decay

6. beta radiation

   • High-energy electrons, carrying a negative charge, that are sent out by some radioactive nuclei

7. electromagnetic radiation

   • a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary simultaneously.