Readiness Test: Energy

A guitar is an instrument with 6 strings. When the instrument is played, the strings move back and forth to make music.

What is happening when the guitar is played?

• The strings make sound, but do not vibrate.

• The strings vibrate and make sound.

• The strings vibrate, but do not make sound.

• The strings do not vibrate and do not make sound.

Which sounds have a low volume?

Choose two correct answers.

• A fire alarm

• A quiet library

• Loud music

• A whisper

• A loud classroom

3. A student puts a speaker in a bowl with a top on it. Beads are put on the top. When music plays from the speaker, the beads bounce.

What is happening?

• Sound waves make the top stay still. This makes the beads bounce.

• The bowl makes sound waves vibrate. This makes the beads bounce.

• Sound waves make the top vibrate. This makes the beads bounce.

• The bowl and the beads make each other bounce.

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-5

NGSS.MS-PS4-1

3. Pick the answer that finishes the sentence.

If you hit a drum harder, its sound will ________ .

• be quieter

• be louder

• have less volume

• have the same volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which sounds have a high volume?

Choose two correct answers.

• A loud voice

• Quiet breathing

• A whisper

• A fire alarm

• A quiet library

Tags

NGSS.4-PS4-1