Light and Sound

Front

What is sound?

Back

Sound is a type of energy that travels in waves and can be heard when it reaches a person's or animal's ear.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

Can sound travel through liquids and gases?

Back

Yes, sound can travel through liquids and gases, but it travels fastest through solids.

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NGSS.MS-PS4-2

Front

What does it mean to reflect light?

Back

To reflect light means to bounce it off a surface, like how a mirror reflects your image.

Tags

NGSS.MS-PS4-2

Front

What is a shadow?

Back

A shadow is a dark area created when an object blocks light.

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NGSS.4-PS4-2

Front

What affects the length of a shadow?

Back

The length of a shadow depends on the angle of the light source.

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NGSS.5-ESS1-2

Front

What does it mean to refract light?

Back

To refract light means to bend it as it passes from one material to another, like when light passes through water.

Tags

NGSS.MS-PS4-2

Front

In what direction does light travel?

Back

Light travels in straight lines.

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different materials.

Tags

NGSS.MS-PS4-2

Front

What is brightness in terms of light?

Back

Brightness refers to how much light is emitted from a source or how much light is reflected from a surface.

Tags

NGSS.MS-PS4-2

Front

What is an example of a reflective surface?

Back

A mirror is an example of a reflective surface.

Tags

NGSS.MS-PS4-2