physical vs chemical changes

A type of change in matter in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following IS an example of a physical change in matter?

• Getting a haircut
• metal rusting

• milk becoming sour

• Na and Cl forming salt

Tags

NGSS.MS-PS1-4

A change in the state of matter is what type of change?

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Bubbles form when two or more substances are combined is a sign of what type of change?

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

An explosion is an example of what type of change?

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is evidence of Chemical Change.

• New Substance  has formed

• Size change
• change in temperature

• a change in state of matter

Tags

NGSS.MS-PS1-2

True or False: a physical change may produce a new substance.

• True
• False

On a camping trip, Jill roasts a marshmallow in the campfire. She notices that the roasted marshmallow smells and tastes differently than the uncooked marshmallows. What change has taken place, and how does she know? HINT: can the change be reversed?

• a chemical change because the marshmallow changed in taste, color and smell
• no change because the marshmallow is not a new substance
• only a physical change because the marshmallow changed in size
• a chemical change because the marshmallow only changed in pH level

Tags

NGSS.MS-PS1-2

Water is heated and changed to steam ________________

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-4

What state of matter has no definite shape or volume?

• solid

• gas

• liquid

• element

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5