Which property is unique to electromagnetic waves?

A. They can shake structures on Earth.

B. They can travel on the surface of water.

C. They can travel in a vacuum.

D. They can be controlled by the pull of gravity.

C. They can travel in a vacuum.

Which statement correctly describes a property of sound waves?

A. They require particles to transfer energy.

B. They can travel through outer space.

C. They have two kinds of movement.

D. They are generated by movements in Earth’s crust.

A. They require particles to transfer energy.

Which type of wave is most affected by gravity from the Sun and the moon?

A. sound

B. seismic

C. electromagnetic

D. water

D. water

How are seismic waves and sound waves similar?

A. They can cause vibrations or motions in the matter with which they interact.

B. They are able to travel through a medium and through a vacuum.

C. They can cause significant damage as part of earthquakes.

D. They are both part of the electromagnetic spectrum.

A. They can cause vibrations or motions in the matter with which they interact.

Which type of wave is used in sonar to detect objects?

A. water

B. sound

C. electromagnetic

D. seismic

B. sound