Seeing Sound

Gia bangs on a drum and makes it vibrate. When she places her hand on the drum, the vibration stops. What happens to the sound of the drum?

• The sound stops due to the vibration stopping.

• The sound stops because sound cannot travel through her hand.

• The sound is clearer because the vibrations have halted.

• The sound becomes a lower pitch due to the vibrations stopping.

Tags

NGSS.MS-PS4-2

Which form of energy is the result of vibrations traveling through the air?

• wind energy

• electrical energy

• solar energy

• sound energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is one way to increase the pitch of a sound?

• Make the object vibrate faster.

• Make the object vibrate slower.

• Make the object vibrate louder.

• Make the object vibrate softer.

Jonathan conducted an experiment where he hit a drum. When the drum was struck, salt flew into the air. What is the best reasoning for this?

• Vibrating objects make sound.

• Movement does not require energy.

• Sound can change into wind energy.

• Vibrating objects do not change their pitch or volume.

Tags

NGSS.MS-PS4-2

What will happen if you pluck a guitar string with more force?

• The pitch will get higher.

• The pitch will get lower.

• The volume will get louder.

• The volume will get softer.

Tags

NGSS.MS-PS4-1

LeGacey puts her ear against a door and hears sounds from the other side of the door. What happens when sound waves travel through a material, such as a door?

• They vibrate the particles in the material
• They stop vibrating
• They change volume
• None of the other answer choices

Tags

NGSS.MS-PS4-2

Which form of energy is carried only by vibrations through air, water, or other form of matter?

• Sound energy
• Light energy
• Mechanical energy
• Electrical energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Edward plucks the string of his guitar. Each of the strings has the same thickness and length, but a different tightness. Which statement correctly describes how the guitar strings will sound?

• The tightest string will make the highest sound. The loosest string will make the lowest sound.
• The tightest string will make the softest sound. The loosest string will make the loudest sound.
• The tightest string will make the loudest sound. The loosest string will make the softest sound.
• The tightest string will make the lowest sound. The loosest string will make the highest sound.

It is the loudness or softness of sound.

• volume

• pitch

• echo

• sound waves

Tags

NGSS.MS-PS4-1

Sound waves cannot travel through

• Liquid

• Gas

• Solid

• Space

Tags

NGSS.MS-PS4-2