1. WHAT IS LIGHT?

2. LIGHT Source of useable power = ENGERY – Other forms of energy include HEAT and SOUND Travels in waves and travels very fast!

3. Important Terms about Light Reflection = when rays of light are reflected, or bounce off other objects Refraction = when light goes from one medium to another and is bent (for example, from air to water) Diffraction = when a wave of light hits an obstacle Transmission = the ability of light to pass through different mediums or substances

4. Reflection

6. Refraction

7. Prism A clear glass or plastic shape that breaks light into the color spectrum A prism reflects or refracts light

8. Spectrum The colors Red, Orange, Yellow, Green, Blue, Indigo and Violet all arranged in order by their wavelength and all can be seen when white light passes through a prism

9. Spectrum A red shirt REFLECTS the color red and ABSORBS all the other colors in the visible spectrum A white shirt REFLECTS all the colors in the spectrum A black shirt ABSORBS all the colors in the spectrum Absorption = taking in or swallowing up energy