A ________ mirror curves inward and makes an image seem larger.

A ________ mirror curves outward and makes objects seem closer and smaller.

We cannot see through ________ objects.

___________ objects allow some light to pass through.

This is _________. It is possible to see through it.

Radio waves are longer than X-rays so we say they have a longer ________.

Because a leaf is ______, we can see light pass through it.

A _________ mirror makes the reflected image appear larger than it is.

A brick wall is _______, so light does not pass through it.

Clear plastic is an example of a _________ material.

Your brain will __________ different wavelengths of light as different colors.