Nature of waves

What does sound travel fastest in

• Solid

• Liquid

• Gas

• Vacuum

What kind of a wave is a sound wave?

• Transverse

• Longitudinal

When a sound is high pitched this means that...

• The wave frequency will be high

• The amplitude will be big

• The amplitude will be small

• The wave frequency will be low

Frequency is measured in

• kg

• Hz

• N

• W

A represents

• Trough

• Peak

• Amplitude

• Frequency

B represents

• Trough

• Peak

• Amplitude

• wavelength

C represents

• Wavelength

• Amplitude

• Peak

• Trough

D represents

• Amplitude

• Wavelength

• Peak

• Trough

sounds are made when objects

• stand still

• don't move

• vibrate

Which part of the ear is responsible for balance

• outer ear

• inner ear

• semi circular canal

• hammer