sound source

What is a scientific model? Pick the one best response.

• Something 3-dimensional to represent something else.

• A picture of something with explanations.

• An idea about how things work, like a theory.

• A physical, mental, or mathematical model.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS3-2

What causes sound?

• air

• amplitude

• vibrations

• frequency

All sounds start as:

• noises

• music

• contact forces

• moving objects

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

In Lesson 1, we saw that the sound coming from the speaker in the truck could:

• create light that reflects from the windows.

• make the windows stop vibrating/shaking.

• only be heard and felt inside of the truck.

• make the windows of the building vibrate/shake.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What would we observe when a sound source makes a sound?

• We will see the sound waves leaving the source.

• We will see the sound source vibrating.

• We will see the sound source changing colors.

• We will see the sound source being pushed.

Tags

NGSS.MS-PS4-2

Sound is produced by:

• moving air.

• turning up the volume.

• rotation.

• vibration.

When a force is applied to an object, such as an instrument, __________ is transferred.

• energy

• vibration

• sound

• force

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In Lesson 2, we passed around four different instruments and watched them in slow motion. What did all of these sound sources have in common?

• They all sounded the same.

• They were all the same shape.

• They all store sound.

• They all had to be struck in some way to make sounds.

What do musicians need to do differently when they interact with sound sources to get them to produce softer sounds?

• Use more force on the sound source.

• Use less force on the sound source.

• Move the sound source closer.

• Move the sound source farther away.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which type of sound causes larger vibrations?

• low pitch, low volume

• low pitch, high volume

• high pitch, low volume

• high pitch, high volume

Tags

NGSS.MS-PS4-1