Sound Energy

Front

What is sound?

Back

A form of energy.

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Front

Why do we not hear sound in outer space?

Back

It is a vacuum or empty space so there is not a medium for sound to travel.

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Front

The higher the amplitude of a sound wave, the ____ the sound.

Back

Louder.

Tags

NGSS.MS-PS4-1

Front

What is the measure of how high or low a sound is called?

Back

Pitch.

Front

Which color bell would produce the highest pitch?

Back

Purple.

Front

What is amplitude in sound waves?

Back

The height of the sound wave, which determines loudness.

Tags

NGSS.MS-PS4-1

Front

What is a sound wave?

Back

A vibration that travels through a medium (like air) and can be heard when it reaches a person's or animal's ear.

Tags

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Front

What is the speed of sound?

Back

The speed at which sound waves travel through a medium, typically around 343 meters per second in air at room temperature.

Tags

NGSS.MS-PS4-2

Front

What is a medium in the context of sound?

Back

A substance (solid, liquid, or gas) through which sound waves can travel.

Tags

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Front

What happens to sound as it travels through different mediums?

Back

Sound travels faster in solids than in liquids, and faster in liquids than in gases.

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