Quiz: Waves Week 2

Sound waves are also known as

• vibrartion

• compression waves

• longitudinal waves

High frequency sound waves are a...

• lower pitch

• higher pitch

Sound waves that are louder have...

• higher frequency

• lower frequency

• greater amplitude

• lower amplitude

As frequency increases...

• wavelength goes up

• pitch goes up

• pitch goes down

• reflection goes up

What do the dots represent in this image of a sound wave?

• Particles in matter

• electrons in a field

• sound frequencies

• decibels

The higher the frequency the higher the __________?

• trough

• amplitude

• pitch

• peak

Reverberation is causes by ________ sound waves.

• changing

• reflecting

• loud

• fundamental

What is an echo?

• a sound

• energy

• a sound by reflection of a wave

Sound waves are:

• waves of energy made by vibrations; require a medium to travel

• the material through which a wave travels

• the transfer of energy into a medium

• a rhythmic disturbance that moves through a medium or vacuum

Which item would be best used for absorption of sound

• foam

• metal

• wood

• rock