Unit 2: Properties of Materials Chap

what happens to a substance when it is heated or cooled?

• The properties can change

• nothing happens

• The substance becomes lighter or heavier.
• The substance disappears

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

True or False: some substances can change back to the way they were before they were heated/cooled?

• true

• false

Tags

NGSS.MS-PS1-4

what happens to s a substance doesn't change back to the way it was, it becomes ______

• the same thing

• a different substance

• an old substance

• it never changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

define substance

• A type of liquid
• A form of energy
• A specific color
• A particular kind of material

Organize these options into the right categories: When heated/cooled, the properties will:

Groups:

(a) go back to way before

,

(b) becomes different

• dough

• cookie dough

• wax

• ice cubes

• popsicles

• chocolate

• rust on bike

• popcorn

• eggs

• water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

these items can go back to the way they were before heated---how?

• blow it out

• 
• If this melts, we just put in freezer.

• 
• put tray back in freezer

• 
• add more glue

• 
• add more ice

• 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

these substances do not change back to the way it was once heated/cooled. Match the before and after.

• meatballs

• 
• pizza

• 
• cake

• 
• cookies

• 
• scrambled eggs

• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4