Light Unit Study Guide

Front

What part of the eye lets light enter?

Back

Pupil

Front

What part of the eye changes shape to focus on objects at different distances?

Back

Lens

Front

What is white light?

Back

A blend of all of the colors of the rainbow.

Front

What part of the eye forms an upside down image?

Back

Retina

Front

What part of the eye opens and closes to protect it from drying and keep dust away?

Back

Eyelid

Front

What is the function of the iris in the eye?

Back

It controls the amount of light that enters the eye.

Front

What is the role of the retina?

Back

It receives light and converts it into signals for the brain.

Front

What is the optic nerve's function?

Back

It transmits visual information from the retina to the brain.

Front

What happens when light passes through a prism?

Back

It separates into different colors.

Front

What is reflection in terms of light?

Back

It is when light bounces off a surface.