Light and Eye STUDY GUIDE

Front

What does the brain do to help your eyes?

Back

The brain helps your eyes by flipping, combining, and making images clearer.

Front

What determines the color of an object?

Back

The wavelength of reflected light determines the color of an object.

Front

Which electromagnetic waves are used by doctors to detect broken bones?

Back

X-rays are used to detect broken bones.

Front

What is an object that separates white light into the colors of the rainbow?

Back

A prism separates white light into the colors of the rainbow.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.

Front

What is refraction?

Back

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

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is the role of the lens in the eye?

Back

The lens focuses light onto the retina.

Front

What is the retina?

Back

The retina is the layer of cells at the back of the eye that detects light.