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What type of energy is light?

Back

Light energy is a form of energy that travels in waves and is visible to the human eye.

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What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, causing it to change speed.

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What type of energy is sound?

Back

Sound energy is produced by vibrating objects and travels in waves through air, water, or solids.

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What is motion energy?

Back

Motion energy is the energy of an object in movement; the faster the object moves, the more motion energy it has.

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What does opaque mean?

Back

Opaque materials do not allow light to pass through them; they block light completely.

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What is a transparent material?

Back

Transparent materials allow light to pass through them without scattering, making objects behind them visible.

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What is a translucent material?

Back

Translucent materials allow some light to pass through but scatter it, making objects behind them appear blurry.

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What is the speed of light?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s).

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What is sound wave?

Back

A sound wave is a type of mechanical wave that travels through a medium (like air) and is created by vibrating objects.

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What is the difference between light and sound energy?

Back

Light energy travels in waves and can move through a vacuum, while sound energy requires a medium to travel.