1.4 Changes in Matter

A physical change....

• alters the form or appearance of matter but does not turn any substance in the matter into a different substance

• changes the substance in the matter and produces one or more different substances.

• creates and destroys matter

• absorbs or releases energy in mater

which of the following is a physical change?

• 
• 
• 
• 

Physical or chemical change?

• chemical

• physical

• both

Tags

NGSS.MS-PS1-2

is this physical or chemical?

• both

• physical

• chemical

Tags

NGSS.MS-PS1-2

What is an endothermic change

• a change which slows down the motion of the particles in the object

• a change in which energy is absorbed

• a change in which energy is released

• a change which releases heat

Tags

NGSS.HS-PS1-4

What's an exothermic change?

• It releases energy

• It absorbs heat

• It speeds up the motion of all the particles in the object

• It absorbs energy

Tags

NGSS.HS-PS1-4

What is this?

• exothermic change

• none

• endothermic change

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

What is this?

• endothermic change

• exothermic change

• none

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

What's this

• none

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

The freezing of water is_____

• none

• exothermic

• endothermic

Tags

NGSS.HS-PS3-4