FLASHCARD: Light: Lessons 1 -5

Front

What happens to light when it strikes an object?

Back

It can be absorbed, reflected, or refracted.

Front

What is reflection in terms of light?

Back

Reflection is when light bounces off an object.

Front

What happens to light waves when they move from air to glass?

Back

They slow down and change direction.

Front

What is a material that transmits a lot of light?

Back

Glass is a material that transmits a lot of light.

Front

What characteristic of waves does an echo use?

Back

An echo uses reflection.

Front

What type of image does a clear mirror produce?

Back

A clear mirror produces a clear image.

Front

What is refraction?

Back

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

Front

What is the Doppler Effect?

Back

The Doppler Effect is the change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.

Front

What is diffuse reflection?

Back

Diffuse reflection occurs when light hits a rough surface and scatters in many directions.

Front

What is the difference between transparent and opaque materials?

Back

Transparent materials allow light to pass through, while opaque materials do not.