8th Physical Science GMAS Review - WAVES

Front

What evidence shows that energy can be transferred without a medium?

Back

Light energy can travel without a medium.

Front

What type of wave has the most energy?

Back

a high-frequency wave

Front

What kind of waves do not require a medium to transport the wave's energy and travel through a vacuum instead? Options: mechanical, sound, electromagnetic, seismic

Back

electromagnetic

Front

What characteristic do all waves share?

Back

All waves transfer energy.

Front

While swimming underwater, Jonathan heard the voices of his friends outside the pool, but he could not understand the words they were speaking. What explains this?

Back

Sound waves change speed when moving from air to water.

Front

Through which of the following will sound waves NOT travel: a balloon, a lake, a vacuum, a door?

Back

a vacuum

Front

The human eye could not see the green color of a leaf without

Back

green light being reflected by the leaf's surface.

Front

Why does a red apple appear red?

Back

absorbs all colors of light except red.

Front

What property of electromagnetic waves makes it possible to use these waves to transmit information between a space shuttle and NASA mission control centers on the ground?

Back

Electromagnetic waves can travel through a vacuum.

Front

What happens to the path of a light ray as it passes from air into water at an angle?

Back

Its path bends.