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1. 
In physical changes...
A.
matter changes its form, but not its composition.
B.
there are new molecules.
C.
Matter changes its composition, but not its form.
2. 
In chemical changes...
A.
matter doesn't change.
B.
matter changes its composition, there are new molecules.
C.
matter gets very hot.
3. 
Click on 3 types of chemical changes
A.
Combustion
B.
solidification
C.
fermentation
D.
oxidation
4. 
What type of change is this?
A.
Chemical: oxidation.
B.
Physical.
C.
Chemical: fermentation.
5. 
Can you click on an example of combustion?
A.
Bread growing.
B.
Matches burning.
C.
Oxidized apple.
6. 
Can you click on an example of oxidation?
A.
A rusty bike.
B.
A house on fire.
C.
Mold on cheese.
7. 
Can you click on an example of fermentation?
A.
water vapour
B.
Rusty metal.
C.
Olives in salt.
8. 
Which is NOT a chemical change?
A.
Photosynthesis.
B.
Food digestion.
C.
Ice changing into liquid water