Choose the correct answer.

1. What happens when a paper boat gets wet?

2. ​ (a)  

• It falls apart and gets darker.
• It gets harder.
• It sinks.

Choose the correct answer.

1. Is wet wood harder than dry wood?​ (a)  

• yes
• No
• sometimes

Choose the correct answer.

1. How can you make modeling clay harder?​ ​ (a)  

• punch it
• stretch it
• freeze it

Tags

NGSS.MS-PS1-4

It breaks if you bend it.

• rigid

• waterproof

• soft

You can see through it.

• rigid

• waterproof

• transparent

Tags

NGSS.MS-PS4-2

It takes any shape under pressure.

• rigid

• malleable

• transparent

It is smooth.

• soft

• malleable

• transparent

It is solid and resistant to pressure.

• hard

• malleable

• transparent

It returns to its original shape when you stretch it.

• hard

• malleable

• stretchy

It does not break if you bend it.

• hard

• flexible

• stretchy