Term
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Definition
| The bouncing of light or wave from a surface. |
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Term
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Definition
| The bending of light or waves as it passes from one material to another. |
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Term
| Electromagnetic Radiation |
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Definition
| Energy that travels through space in the form of light and other types of energy. |
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Term
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Definition
| In a straight line in waves. |
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Term
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Definition
| Range of electromagnetic radiation that travels in waves with many frequencies and wavelengths. Visible light makes up only a small part of the spectrum. |
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Term
| What must happen for you to see an object? |
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Definition
| The object must give off (reflect) wavelengths of visible light, and the light must enter your eye. |
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Term
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Definition
| A transparent object that separates (refracts) white light into different wavelengths which causes different colors to separate from each other. |
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Term
| Absorbed Light (Absorbtion) |
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Definition
| Light is taken in by an object. When light is absorbed the light energy is transformed into thermal energy. |
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Term
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Definition
| A material that allows light energy to pass through. |
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Term
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Definition
| A farsighted person can focus well on objects at a distance, but close-up objects are blurred. Convex lens bend light rays inward, so they focus on the retina instead of behind it. |
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Term
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Definition
| A nearsighted person can focus well on objects close-up but distant objects are blurred. Concave lenses are thinner in the middle than around the edges. They bend light rays outward before they reach the eye so the rays focus on the retina instead of in front of it. |
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Term
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Definition
| A lens that is thickest in the middle and bends light rays toward one another to make objects look larger. |
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Term
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Definition
| A lens that is thinner in the middle than the edges. It bends light rays to spread out and makes an object look smaller. |
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Term
| Which type of lens allows light to enter the human eye? Convex or Concave |
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Definition
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Term
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Definition
| A material that does not allow light to pass through. |
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