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Bill Nye the Science Guy

Season 1, episode 12. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.

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S1 E12

Sound

Listen up, scientists. Bill Nye is here to make some noise in the ""Sound"" episode. Your vocal cords do it. Speakers playing rock music do it. Even a school bell does it. They all vibrate; and that's how sound is made. Plucking a stretched rubber band makes the rubber band vibrate. Air molecules around the rubber band move, pushing other air molecules. As the rubber band continues to vibrate, it sends waves of sound through the air. It's a lot like the ripples you see when you drop a rock into a pond. You hear sound when rippling air pushes on tiny bones in your ears. Nerves in your ears send a message to your brain about the sound you're hearing. Different sounds make different patterns of waves with different distances between them. Plucking, banging, whispering, and yelling are all vibrations in air, yet they all sound very different. Sound vibrations can be thought of as waves moving through molecules. Low-pitched sounds have big gaps between waves, while high-pi

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Season 1

Back to series detail

Episode 1: Flight

Episode 2: Earth's Crust

Episode 3: Dinosaurs

Episode 4: Skin

Episode 5: Buoyancy

Episode 6: Gravity

Episode 7: Digestion

Episode 8: Phases of Matter

Episode 9: Biodiversity

Episode 10: Simple Machines

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Episode 11: The Moon

Episode 12: Sound

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Episode 13: Garbage

Episode 14: Structures

Episode 15: Earth's Seasons

Episode 16: Light & Color

Episode 17: Cells

Episode 18: Electricity

Episode 19: Outer Space

Episode 20: Eyeball