Bill Nye Sound Video Flashcard

Front

Submarines translate sound waves into _____________.

Back

pictures

Front

Increased frequency (more waves per second) results in a ___________ pitch.

Back

higher

Front

Ultrasonic waves can be heard by ______ and _________.

Back

bats, whales

Front

Each ear has a ______ to focus sound.

Back

cup

Front

When you speak, your ________________ vibrate.

Back

vocal chords

Front

What is the term for sound waves that are above the frequency of human hearing?

Back

Ultrasonic waves

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in higher pitch.

Front

What do we call the part of the ear that collects sound waves?

Back

Outer ear

Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second.

Front

What is the term for sound waves that are below the frequency of human hearing?

Back

Infrasonic waves