The Nature of Sound

Sound travels as a ___________________

• wave

• medium

• particle

• energy

When one part of a vibration causes air particles to spread out, they form a _________

• rarefaction

• diffraction

• sound wave

• compression

When one part of a vibration pushes air particles together, they form a _____________

• compression

• sound wave

• diffraction

• rarefaction

Sound can travel through what?

• all of the above

• solids

• liquids

• gases

Temperature, stiffness, and density of the medium can change what?

• speed of sound

• medium

• gases

• wave height

How does sound travel at higher temperatures?

• more quickly

• more slowly

• exactly the same

• sound never changes speed

How do sound waves lose energy in stiffer mediums?

• more slowly

• more quickly

• exactly the same

• mediums can't be stiff

Which of these are states of matter?

• solid, liquid, gas

• solid, rock, water

• air, solid, liquid

• medium, wave, matter

Which of these can help determine the speed of sound passing through the medium?

• the state of the medium

• the height of the medium

• the weight of the meduim

• the color of the medium

The amount of matter or mass in a given amount of space or volume is called what?

• density

• matter

• weight

• spring scale