Unit 8.2 Quiz 1

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-LS1-2

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

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-PS4-2

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-PS4-1

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.