CKLA Light and Sound

Front

What is a lens?

Back

A lens is a transparent object that light can pass through and is used in many instruments, such as eyeglasses.

Front

What are sound and light forms of?

Back

Sound and light are both forms of energy.

Front

True or False: Sound travels well in a vacuum like outer space.

Back

False. Sound cannot travel in a vacuum.

Front

What is an example of an opaque object?

Back

A desk is an example of an opaque object.

Front

How is a rainbow formed?

Back

A rainbow is formed by light refracted in the sky from raindrops. It is similar to a prism.

Front

What does transparent mean?

Back

Transparent means that light can pass through an object clearly.

Front

What does opaque mean?

Back

Opaque means that light cannot pass through an object.

Front

What does translucent mean?

Back

Translucent means that light can pass through an object, but it is not clear.

Front

What is energy?

Back

Energy is the ability to do work or cause change, and it comes in various forms, including light and sound.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.