Wave and Sound Quiz

What is a wave?

• A vibration that causes a transfer of energy from one place (or object) to another.

• A static object that remains in place.

• A type of light that travels in a straight line.

• A solid object that does not move.

What is it that vibrates in a sound wave?

• Water particles

• Air particles

• Light particles

• Solid particles

Where is the crest of a wave?

• The lowest point

• The middle point

• The highest point

• The starting point

What word is used to describe the height of a wave?

• Frequency

• Wavelength

• Amplitude

• Speed

Define the term ‘Frequency’.

• The distance between two waves

• The number of waves that pass through every second

• The height of a wave

• The speed of a wave

What part of our ear do the air particles bump into?

• Cochlea

• Ear drum

• Auditory nerve

• Outer ear

Which part of our ear turns this vibration into an electrical signal?

• Ear drum

• Cochlea

• Auditory nerve

• Outer ear

What risks do loud noises pose to us?

• They can improve hearing

• They have no effect

• They can damage hairs inside the cochlea resulting in hearing loss

• They can make us sleepy

Why can’t humans hear a dog whistle?

• The sound is too loud

• The sound is outside of the human hearing range

• The sound is too quiet

• The sound is too close

What is the equation that links Speed, Time and Distance?

• Distance = Speed + Time

• Distance = Speed - Time

• Distance = Speed x Time

• Distance = Speed / Time