physical vs chemical changes

A change 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 a physical change?

• Getting a haircut
• Rusty metal
• sour milk
• A compound

Tags

NGSS.MS-PS1-4

A change in the state of matter is:

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Bubbles form when two or more substances are combined ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

An explosion occurs ...

• 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
• State change
• 2 things were mixed together. (like buttons and peanuts)

Tags

NGSS.MS-PS1-2

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

• True
• False

On a camping trip, Joe 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 Mrs. Benavides know?

• 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

Iron rusts. ________________

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5