Science 2nd grade: things change when heated and cooled

Which are solid? (Choose 3 correct answers)

• 
• 
• 
• 

Tags

NGSS.MS-PS1-4

There is a ..............................inside the bubble

• gas

• water

• solid

• liquid

Tags

NGSS.MS-PS1-4

when ice is ............................... it is melt

• cooled

• freeze

• breaks

• heated

Answer explanation

when a solid is heated it can melt and change into a liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

when a water is cooled, it can ...................... and change into an ice.

• change

• melt

• freeze

• boil

Answer explanation

when a liquid is cooled, it can freeze and change into a solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

when water is heated, it can boil and change into ........ (Choose 2 correct answers)

• steam

• water

• gas

• liquid

Tags

NGSS.MS-PS1-4

when a liquid is heated, it can boil and change into a gas. This is called................

• melting

• boiling

• freezing

• changing

Tags

NGSS.MS-PS1-4

When a liquid is cooled, it can change into a solid. This is called............

• freezing

• melting

• changing

• boilling

Tags

NGSS.MS-PS1-4

when a solid is heated, it can change into a liquid. This is called ...............................

• changing

• freezing

• boiling

• melting

Tags

NGSS.MS-PS1-4

This carriage is made of ice. What is the state of matter of ice?

• liquid

• gas

• solid

• water

Answer explanation

Ice and water are different states of matter.

Ice is a solid. Solids cannot flow.

water is a liquid. Liquids can flow.

Tags

NGSS.MS-PS1-4

when a liquid is heated, it can boil and change into a gas. This is called................

• melting

• boiling

• freezing

• changing

Tags

NGSS.MS-PS1-4