Light and Colors

Shadows are formed when light shines on an object and cannot pass through it.

• True

• False

The size of the shadow changes when the ________ between the object and the light source changes.

what happens to the size of the shadow when the distance between the object and the light source becomes greater?

• The shadow becomes smaller

• The shadow becomes bigger

• The size of the shadow does not change at all

The nearer the distance between the object and the light source, the ______ the size of the shadow.

What is the iris?

• a black hole that allows light into our eyes

• a clear inner part of the eye

• the colored part of our eyes

We see the color black when all seven colors are ________.

We see the color white when all seven colors are _________.

A translucent object is

• an object that does not allow any light to pass through it

• an object that allows a lot of light to pass through it

• an object that allows some light to pass through it

The three primary colors are red, green and blue.

• True

• False

The Earth spins on its ____ once every __ hours.

• side - 46

• axis - 24

• axis - 25