CPS5_Review Unit 2_End-of-term 1 Revision

When sound travels, it moves in _____ and carries energy.

• lines

• waves

• circle

"Volumes measures how high or low a sound is." True or False?

• True

• False

The ____ variable is the one that

you keep the same in an experiment.

• control

• dependent

• independent

The ____ variable is the one that

you observe and measure in an experiment.

• control

• dependent

• independent

A sound is created by _____, which means moving back and forth quickly.

• volume

• vibrate

• vibrations

• pitch

The sound of thunder is usually low in ______.

• volume

• pitch

• vibration

The more tightly stretched the string, the ______ the note.

• higher-pitched

• lower-pitched

The thicker the string, the _____

the note.

• higher-pitched

• lower-pitched

We measure sound in _______ (dB).

Fast __________ create a higher pitch.