Sound and Light

Front

What is a transparent object?

Back

An object that allows light to pass through it, such as glass.

Front

How does light travel?

Back

Light travels in a straight line until it hits an object.

Front

What happens during the compression part of a sound wave?

Back

The particles are closer together.

Front

What is needed for sound to be heard?

Back

A medium is needed for sound to travel.

Front

Through which medium does sound travel fastest?

Back

Sound travels fastest through solids.

Front

What is a medium in the context of sound?

Back

A substance through which sound waves can travel, such as air, water, or solids.

Front

What is the definition of sound waves?

Back

Vibrations that travel through a medium and can be heard when they reach a person's or animal's ear.

Front

What is the difference between compression and rarefaction in sound waves?

Back

Compression is when particles are close together, while rarefaction is when particles are spread apart.

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What is reflection of light?

Back

Reflection is when light bounces off a surface.