Light: Reflection, Refraction

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What is Refraction?

Back

Refraction is the bending of light as it passes from one substance to another, such as from air into water.

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Front

What is Reflection?

Back

Reflection is when light bounces off a shiny or smooth surface.

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Front

What is Absorption?

Back

Absorption is when light is taken in by an object and converted into heat energy.

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Front

What is a Prism?

Back

A prism is a transparent object that can separate white light into its different colors.

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NGSS.MS-PS4-2

Front

What causes a straw to appear bent in a glass of water?

Back

The straw appears bent because of refraction, which is the bending of light as it moves from water to air.

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Front

What happens to light when it hits a rough surface?

Back

When light hits a rough surface, it scatters in many directions instead of reflecting smoothly.

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Front

What is the Law of Reflection?

Back

The Law of Reflection states that the angle of incidence is equal to the angle of reflection.

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Front

What is the difference between Reflection and Refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different materials.

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Front

What is Total Internal Reflection?

Back

Total Internal Reflection occurs when light hits a boundary at a steep angle and is completely reflected back into the original medium.

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NGSS.MS-PS4-2

Front

What is the role of a lens?

Back

A lens is a curved piece of glass or plastic that refracts light to focus or spread it.