The picture shows 4 sound waves on an oscilloscope. Which has the highest pitch?

• A

• B

• C

• D

The picture shows 4 sound waves on an oscilloscope. Which has the highest volume?

• A

• B

• C

• D

Which statement is true of sound waves.

• They are made by objects vibrating

• They are detected because they make our ear canal vibrate

• They are transverse waves

• They travel faster in air than in water.

What is the unit of measurement for frequency?

• Hertz

• Amplitude

• Joules

• Decibels

What is the unit of measurement for volume?

• Hertz

• Amplitude

• Joules

• Decibels

Which property of a sound wave makes it a shrill sound?

• high frequency

• low frequency

• low amplitude

• high amplitude

Which property of a sound wave makes it a loud sound?

• high frequency

• low frequency

• low amplitude

• high amplitude

Which property of a sound wave makes it a flat sound?

• high frequency

• low frequency

• low amplitude

• high amplitude

What do we call an unwanted sound?

Which color is made up of all the colors of the spectrum?

• white light

• red light

• blue light

• green light