Investigating Light Test

Which of the following travels the fastest?

• wind

• light

• sound

• airplane

Why is light able to travel through space when sound cannot?

• Light is able to be reflected by objects.

• Light is able to travel through gas.

• Light is able to travel through a vacuum.

• Light is able to travel through translucent objects.

As the amplitude of a wave decreases _____.

• the temperature of the light increases

• the temperature of the light decreases

• the color of the light become brighter

• the light becomes dimmer

Which of the following is a source of light?

• the moon

• our eyes

• fire

• a mirror

Which of the following is part of the electromagnetic spectrum?

• light waves

• surface waves

• earthquake waves

• gravitational waves