Grade 4 Characteristics of sound wave

Which term best describes the form sound takes as it travels?

• molecules

• waves

• music

• gas

In the diagram below, measuring from the horizontal midline to the top of the wave is the way to identify which of the sound’s characteristics?

• its amplitude

• its vibration

• . its speed

• . its pitch

Which statement about sound is true?

• It travels through a solid faster than it travels through a liquid.

• It travels faster in space than it travels on Earth.

• It travels through many gases and many liquids.

• It always travels at the same rate of speed.

Which term is used to identify the number of vibrations that occur during a unit of time?

• amplitude

• frequency

• volume

• sound

Which term means “a disturbance that transmits energy”?

• amplitude

• vibration

• volume

• wave

Which of the following is the definition of the term amplitude?

• the distance between one crest and the next crest of a wave

• a unit of measurement for the volume of a sound

• the back-and-forth movement of an object

• the amount of energy in a wave

In the diagram below, measuring from one crest to another adjacent crest is the way to identify which of the sound’s characteristics ? ( J)

• its amplitude

• its vibration

• . its speed

• wave length

In the diagram below letter ( H) represents ......

• wave amplitude

• wave crest

• wave trough

• wave length

In the diagram below letter ( G) represents ......

• wave amplitude

• vibration

• wave speed

• wave length

In the diagram below letter ( F) represents ......

• wave amplitude

• wave crest

• wave trough

• wave length