Which statement correctly describes a property of sound waves?

A.) They have two kinds of movement.

B.) They are generated by movements in Earth’s crust.

C.) They can travel through outer space.

D.) They require particles to transfer energy.

The correct statement that describes a property of sound waves is:

D.) They require particles to transfer energy.

To answer this question, let's examine each option and determine its accuracy:

A.) They have two kinds of movement.
This statement is not accurate. Sound waves only have one kind of movement, which is the transmission of energy through the vibration of particles in a medium.

B.) They are generated by movements in Earth’s crust.
This statement is incorrect. Sound waves are typically produced by the vibration or disturbance of an object. Movements in Earth's crust are not directly related to the generation of sound waves.

C.) They can travel through outer space.
This statement is incorrect. Sound waves require a medium to travel through, such as air, water, or solid objects. In outer space, where there is a vacuum and no medium, sound waves cannot propagate.

D.) They require particles to transfer energy.
This statement is correct. Sound waves involve the transfer of energy through the vibration and movement of particles within a medium. Without particles such as molecules or atoms, sound waves cannot exist or propagate.

Therefore, the correct statement describing a property of sound waves is:

D.) They require particles to transfer energy.

A.) They have two kinds of movement.