Mixing it up

This task is about temporary and permanent changes.
A physical change is reversible (temporary) and no new substance is made; A chemical change is not reversible (permanent) and a new substance is made.
 

Question 1Change answer

Each of the following pairs of substances are mixed together.
Select from the drop down list to show if the change is temporary (physical only) or permanent.
 
a)   Water and oil PermanentTemporary

Question 3Change answer

b)   Baking soda and vinegar PermanentTemporary

Question 4Change answer

c)   Salt and sand PermanentTemporary

Question 5Change answer

d)   Milk and cream PermanentTemporary

Question 6Change answer

e)   Coffee and hot milk PermanentTemporary
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