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2. Yes it's so fast that you can't usually see it, forcing the air all around it to vibrate as well.
1.Did you know that sound is the energy things produce when they vibrate (move back and forth quickly)
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And it will be at a very high speed
Just like we bang a drum,we can make the tight skin vibrate?
5.In short, there are two different aspects to sound: there's a physical process that produces sound energy
3.As the air moves, it carries energy out from the drum in all directions.
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6.To start with and sends it shooting through the air, and there's a separate psychological process that happens inside our ears and brains
4. Eventually, even the air inside your ears starts vibrating and that's when you begin to perceive the vibrating drum as a sound.
9.Just as light travels out from the Sun or a light bulb. But there are some very important differences between light and sound as well
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7.Which convert the incoming sound energy into sensations we interpret as noises, speech, and music.
8.Sound is like the light in some ways: it travels out from a definite source such as an instrument or a noisy machine
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11.Sound, however, cannot travel through a vacuum
10.We know light can travel through a vacuum because sun-light has to race through the vacuum of space to reach us on Earth.
12. It always has to have something to travel through known as a medium, such as air, water, glass, or metal.
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So did you learn something?
Yes, Ms., we did learn a lot and we all had fun.
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