Unit 2 - Lesson 3: Sound

Unit 2: Energy

Lesson 3: Sound

​Learning Goals:

• Understand sound, volume and pitch

• Understand how sound travels through solids, liquids and gasses.

Multiple Choice

What is sound?

• to move very quickly with small movements that can be felt and may be heard

• anything that is heard

• the curved form some types of energy such as heat, light and sound

• how high or low the sound is

Multiple Choice

When an object vibrates strongly, it has lots of energy and makes a …………………… sound.

• pitch

• loud

• volume

• vibrate

• low

Multiple Choice

……………………… means how loud or soft a sound is.

• pitch

• loud

• volume

• vibrate

• low

Multiple Choice

The pitch is ………………………… when the string vibrates slowly.

• pitch

• loud

• volume

• vibrate

• low

Multiple Choice

………………………means to move back and forth very fast.

• pitch

• loud

• volume

• vibrate

• low

Multiple Choice

……………………………… means how high or low a sound is.

• pitch

• loud

• volume

• vibrate

• low

Multiple Choice

Vibration means to move back and forth slowly.

• True

• False

Multiple Choice

Drum has a higher pitch.

• True

• False

Multiple Choice

An object that vibrates slowly makes a sound with a lower pitch.

• True

• False

Multiple Choice

A cello vibrates …………….. so it makes sounds with …………………

• slowly / low pitch

• quickly / high pitch

Multiple Choice

A flute vibrates …………….. so it makes sounds with …………………

• slowly / low pitch

• quickly / high pitch

Multiple Choice

How do you raise the pitch on a stringed instrument such as a guitar?

• By making the string thinner, shorter, or tighter.

• By making the string thicker, longer, or looser.

Multiple Choice

Sound travels quite fast through liquids like water.

• True

• False

Multiple Choice

Sound can’t travel through solid materials.

• True

• False

Multiple Choice

Does sound travel best through a solid, a liquid or a gas?

• Solid

• Liquid

• Gas

Multiple Choice

Sound is produced when an object ...............................

• pitches

• vibrates

• volumes

Multiple Choice

Does sound travel slowest through a solid, liquid or gas?

• Solid

• Liquid

• Gas

Multiple Choice

How can humans perceive sound?

• with our eyes

• with our fingers

• with our ears