Light and Sound

Front

What is the nature of light?

Back

Light is an electromagnetic wave that does not require a medium to travel.

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Front

How does light travel?

Back

Light travels in straight lines.

Front

What is vibration?

Back

Vibration is a very quick back and forth movement.

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Front

What happens when light is absorbed?

Back

When light is absorbed, it is taken in by a material and converted to other forms of energy, such as heat.

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NGSS.MS-PS4-2

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

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Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light when it hits a surface, while refraction is the bending of light as it passes through different media.

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NGSS.MS-PS4-2

Front

What is the role of a prism in relation to light?

Back

A prism refracts light, separating it into its component colors (spectrum) due to different wavelengths.

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Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, including visible light, radio waves, X-rays, and more.

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Front

What is the principle of superposition in wave theory?

Back

The principle of superposition states that when two or more waves overlap, the resulting wave is the sum of the individual waves.

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