Squeezing the sponge makes it ________________.

• higher

• smaller

• lower

• larger

You can ______________________ a sponge.

• eat

• compress

• fly

• drive

Think about what happens when you compress a sponge with your hand. Then think about opening your hand. The sponge will _________ and open back up into its original shape.

• compress

• expand

• fly

• drive

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Air can ___________________ and expand.

• expand

• compress

• turn orange

• drive

Tags

NGSS.MS-PS1-4

In Lesson 2 you learned that air takes up space. When you compress air, you squeeze the_____________ into a smaller space.

• orange

• air

• fruit

• car

To make air fit into a smaller volume, you compress

the air. Scuba __________ have compressed air in them.

• fish

• tanks

• squid

• whales

Squeezing or compressing _________ may sound strange. It is hard to grab a handful of air like you grab a sponge or a handful of sponges.

• fruit

• air

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

In class you saw that you can compress air. First you pulled

the handle of a ______________ to fill the syringe with air.

• fish

• bike

• syringe

• rope

When you push the syringe handle, you are

pressing the air in the syringe, making the air

compress (squeeze into a smaller ______________).

• weight

• size

• mass

• volume

When you push the syringe handle, you are pressing the air in the syringe, making the air ___________ (squeeze into a smaller volume).

• expand

• compress

• softer

• harder