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What is Sound? | The Dr. Binocs Show | Learn Videos For Kids

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Sound waves enter your ears. Your ears send a message to your brain. We can hear with our sense of hearing.

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Sound is a type of energy. Sound energy helps you hear things.

Sound energy is made by vibrations. It travels in sound waves.

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Light | The Dr. Binocs Show | Learn Videos For Kids

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We can see things because they reflect light into our eyes. We can see with our sense of sight.

1. Light enters your eye

2. Light passes through your iris

3. The optic nerve sends a message from your eye to your brain

4. The brain turns the message into images

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We use light to see things. Plants and animals need light.

We use light to:

read at night

see what's in the fridge

see roads at night

see in dark places

decorate

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Light is a type of energy. The sun is a natural source of light energy.