Changes in matter

Dry ice is frozen what?

• Water

• H2O

• Salt

• Carbon Dioxide

Tags

NGSS.MS-PS1-4

When dry ice melts it turns from a solid to a

• liquid

• solid

• gas

• fire

Tags

NGSS.MS-PS1-4

A physical change is a change in which the form or shape of a substance changes; but the substance still has the same (a)  

Which is NOT an example of a physical change?

• A chemical change

• Water freezing

• Chopping wood

• Ice melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

Most metals are _____ at room temperature?

• liquids

• solids

• gases

• air

Once metal is melted into a liquid how does it turn back into a solid?

(a)  

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A physical change that takes place when heat energy is added or removed from matter is called?

• Physical change

• chemical change

• properties

• change in state

Tags

NGSS.MS-PS1-4

A change in state from a solid to a liquid is called?

(a)  

Tags

NGSS.MS-PS1-4

A change in state from a liquid to a gas is called what?

(a)  

Tags

NGSS.MS-PS1-4

How do you change the chemical makeup of paper so that it is not paper?

• cut it

• soak it

• burn it

• crumple it up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5