Week 20 , Science , Grade 8

Freezing water is a change in

• Shape

• Size

• State of Matter

Melting is a physical change which is changing from

• Liquid to soli

• Liquid to gas

• Solid to liquid

The total mass of the following solution is :

• 155.0 g

• 150.0 g

• 5.0 g

Does the identity of matter change during a physical change?

• No

• Yes

Does the total mass of matter change when it goes through a physical change?

• No

• Yes

To change the state of matter, _______energy must be added or removed.

• Thermal

• Electrical