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Seeing The Light

Seeing The Light. Radiant Energy . All light is a form of energy. That’s because light “radiates”, or spreads out, in all directions from its source. (Such as a light bulb or star). Light travels in a straight line until something interrupts it or changes its path. How does light behave?.

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Seeing The Light

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  1. Seeing The Light

  2. Radiant Energy • All light is a form of energy. That’s because light “radiates”, or spreads out, in all directions from its source. (Such as a light bulb or star).

  3. Light travels in a straight line until something interrupts it or changes its path

  4. How does light behave? • When light hits an object, the rays either passthrough it, bounce off it, or are absorbed by it.

  5. Reflected Light • Light rays that bounce back are called reflected light. • The image that is created when light reflects is called reflection.

  6. Refracted light • When light bends, it is known as refracted light. • As light passes through two different substances of different densities, the speed of light is changed. This causes the light rays to change direction causing the “bending” effect.

  7. Transparent • A material that allows almost all light to pass through it is described as transparent.

  8. Translucent • When only a little light is allowed through, the object is considered translucent.

  9. Opaque • A material that does not allow light to pass through is called opaque.

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