Front

What is Sonic?

Back

Sonic is a character from video games known for his speed.

Front

What does it mean to be fast?

Back

Being fast means moving quickly from one place to another.

Front

What is sound?

Back

Sound is what we hear when something vibrates.

Front

What is a sonic boom?

Back

A sonic boom is a loud noise caused by an object moving faster than the speed of sound.

Front

What is the speed of sound?

Back

The speed of sound is about 343 meters per second in air.

Front

What does it mean to break the sound barrier?

Back

Breaking the sound barrier means going faster than the speed of sound.

Front

What is a wave?

Back

A wave is a disturbance that travels through space and matter.

Front

What is frequency in sound?

Back

Frequency is how many times a sound wave vibrates in one second.

Front

What is pitch?

Back

Pitch is how high or low a sound is.

Front

What is an echo?

Back

An echo is a sound that reflects off a surface and comes back to you.