Light and Kinds of Materials

Light travels in waveforms.

• True

• False

Different materials allow different amounts of light to pass through.

• True

• False

Polluted air is an example of a transparent material.

• True

• False

Light energy is useful, it has no undesirable effects.

• True

• False

Opaque materials allow only some light to pass through.

• True

• False

Donna always wears clear eyeglasses to school, she does not need additional protection for her eyes if she wants to have lunch at the outdoor tables.

• True

• False

To protect your skin at the beach you can ___________.

• stay under a glass roof 

• use an umbrella   

• wear comfy shoes

Materials that block light are called __________.

• transparent

• translucent

• opaque

__________ are examples of translucent materials.

• Cellophane wrappers

•     Sunglasses

• Fishnets

A mirror is an example of __________ material.

• a transparent

• a translucent

• an opaque