Sound

Select the correct statement about sound.

• A vibration produces a sound wave.

• Sound does not need particles to travel.

• Sound can travel in a vacuum.

• Sounds moves at 1500m/s in air.

Select a word which means the same as 'vibration'.

• Wave

• Particle

• Oscillation

• Energy

Select the correct word for part D on the diagram.

• Wavelength

• Peak or crest

• Trough

• Amplitude

Select the correct word for part B on the diagram.

• Wavelength

• Peak or crest

• Trough

• Amplitude

Select the correct word for part C on the diagram.

• Wavelength

• Peak or crest

• Trough

• Amplitude

Select the type of wave shown here.

• Echo

• Longitudinal

• Pitch

• Transverse

Select the type of wave shown here.

• Echo

• Longitudinal

• Pitch

• Transverse

Which of the things below is not a medium?

• Glass

• Water

• Air

• Space

Select the correct speed of sound in air.

• 3.4m/s

• 34m/s

• 340m/s

• 3400m/s

Select the correct unit used to measure frequency (or pitch)

• Hertz (Hz)

• Decibels (dB)

• Metres (m)

• Newtons (N)