Understanding sound vocab and review test

Front

Define sound waves.

Back

Sound waves are longitudinal waves that compress and expand particles in a medium.

Front

Doppler effect definition.

Back

Change in frequency or wavelength of a wave relative to a moving observer.

Front

Example of a sonic boom?

Back

A jet breaking the sound barrier

Front

A medium can exist in space.

Back

False

Front

What causes an echo?

Back

Sound waves reflecting off surfaces.

Front

Animal that doesn't use echolocation:

Back

Elephants, humans, and giraffes.

Front

Echolocation use in animals?

Back

Hunting

Front

Echolocation in bats and dolphins:

Back

Navigate and hunt in low-light.

Front

Echolocation provides animals a unique advantage.

Back

Better survival and hunting strategies.

Front

Define resonance.

Back

Resonance is the vibration of an object at its natural frequency.