Changing Matter

True or False: If the matter does not change, neither does its properties.

• True

• False

Identify a tool that can be used to melt. What tool is it?

(a)   ​ (b)   ​ (c)  

• Stove
• Freezer

• Refrigerator

• Fan

• Fireplace
• Fire pit
• Dryer

Identify a tool that can be used to freeze. What is it?

• Freezer

• Oven

• Stove

• Microwave

Look at the example chart showing eggs starting as liquid, choosing heating, and ending as scrambled eggs (solid). Is this reversible or irreversible, and why?

Fill out the chart below: Indicate what must be added to change an ice cube into liquid water.

f

g

h

i

3

Cooling

Heating

1

Freezing

4

Melting

Condensing

2

Evaporating

On the stove, when I heat water until it bubbles to cook something, the water is changing from a​ (a)   to a ​ (b)   . This state of matter change is called ​​ (c)   .​

• liquid
• gas
• evaporation
• solid
• condensation
• sublimation