Chemical and Physical changes

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Ripping up paper ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

Is a rusting bicycle a chemical or physical change?

• chemcial
• physical

Tags

NGSS.MS-PS1-2

An explosion occurs ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Causes a change in odor ...

• Chemical Reaction 
• Physical Reaction

Tags

NGSS.MS-PS1-2

Evidence of a physical change.

• New substance
• Shape Change
• Light produced
• Gas released.

Tags

NGSS.MS-PS1-4

Evidence of Chemical Change.

• New Substance 
• Size change
• State change
• Mixture 

Tags

NGSS.MS-PS1-2

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

• True
• False

which of these example is a physical change?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-4