Year 4 Changes

A change in which a substance undergoes changes in its physical properties is called _____.

• chemical change

• physical change

• irreversible change

• biological change

Browning of an apple after it is cut is an example of ____.

• physical change

• chemical change

• reversible change

• biological change

melting

• change of state from solid to liquid
• change of state from liquid to solid

freezing

• change of state from solid to liquid
• change of state from liquid to solid

Burnt paper can return to be a white paper again

• False

• True

How can you make water a solid?

• Heat it

• Cool it

Having a hair cut is a...

• Chemical change

• Physical change

What kind of change is baking a cake?

• 
• 

What kind of change is metal rusting?

• Physical change

• Chemical change

What kind of change is freezing water into ice cubes?

• 
•