Light Waves Study Guide

When a material ____________ energy from light, the energy causes the material to change.

• Reflects

• Transmits

• Absorbs

Genetic material absorbs energy from all types of light.

• True

• False

Answer explanation

Genetic material only absorbs gamma rays and UV rays.

When light is reflected off or transmitted through a material, the material changes.

• True

• False

Answer explanation

Materials only change when light energy is ABSORBED.

To take in

• Absorb

• Reflect

• Transmit

to give off

• reflect

• Transmit

• Emit

the ability to make things move or change

• Light

• Energy

• Matter

To bounce off without absorbing

• Absorb

• Reflect

• Transmit

To pass through

• Absorb

• Reflect

• Transmit

This kind of light damages genetic material and can cause skin cancer.

• Visible light

• Ultraviolet light

• Radio waves

• infrared waves

Melanin ________ ultraviolet light.

• absorbs

• Reflects

• Transmits

Answer explanation

Melanin absorbs damaging ultraviolet light and protects generic material from

being damaged.