Sound Review

Which pair of terms best describes volume of sound?

• high and low

• loud and soft

• loud and high

• soft and low

Wesley said the opera singer was singing very softly.

What part of sound best fits what Wesley was describing?

• force

• pitch

• vibration

• volume

Erin hears the engines of a jet flying at 4000meters overhead while she is playing soccer outside.

What would make the volume of the sounds the softest to Erin?

• if the jet were flying at 6000 meters overhead

• if the jet were flying at 5000 meters overhead

• if the jet were flying at 3000 meters overhead

• if the jet were flying at 2000 meters overhead

Why might the bottom string on a guitar have a higher pitch than the top string ?

• The bottom string is thicker.

• The bottom string is thinner.

• The strings have the same thickness.

• The bottom string does not vibrate.

Which sound would most likely have the highest pitch?

• a lion's roar

• a dog's growl

• a man yelling

• a bird singing

• the jest because is flies high in the sky

• the car because people ride inside of it

• the bicycle because is does not have an engine

• the motorcycle because it is small

• band 1

• band 2

• band 3

• band 4

• An increase in volume produced smaller vibrations.

• An increase in volume produces larger vibrations.

• A decrease in volume produced larger vibrations.

• A decrease in volume produced smaller vibrations

Which statement correctly explains how sound is created?

• Sound is created by back and forth movements that occur quickly.

• Sound is created by changing the amount of force used on a material

• Sound is created by transferring noise from one material to another.

• Sound is created by changing the tension of a vibrating material.

• 1 only

• 4 only

• 1 and 2

• 3 and 4