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WorksheetsTYPES OF CHANGE-REVISION
Total questions: 12
Worksheet time: 7mins
Name
Class
Date
1.
Roasting a marsh mellow
a)
chemical change
b)
physical change
2.
glass breaking
a)
chemical
b)
physical
3.
Label the picture as a physical change or a chemical change.
a)
physical change
b)
chemical change
4.
Which is a physical change?
a)
wax melting
b)
wood burning
c)
a candle wick burning
5.
Which is s sign of a chemical change?
a)
a loud noise
b)
bubbles
c)
sugar dissolving in water
6.
Which is an example of a chemical change?
a)
cutting paper
b)
breaking a bone
c)
digesting food
7.
Which is a chemical change?
a)
sugar dissolving in hot water
b)
a cake baking in the oven
c)
water boiling on the stove
8.
Roger put water in the freezer and the water turned into ice. Which type of change took place?
a)
Water underwent a chemical change.
b)
Water molecules changed into compounds.
c)
Water physcially changed from a liquid to a solid.
9.
Which is an example of a chemical change?
a)
baking powder fizzing
b)
water boiling
c)
ice melting
d)
sugar cube dissolving
10.
As a candle is burning, the candle wax makes a pool and dribbles down the side of the candle where it hardens again. The candle wax has undergone...
a)
a physical change
b)
a chemical change
c)
a physical and chemical change
d)
the formation of a new substance
11.
Dan added a little baking soda to a beaker that contained vinegar. Bubbles started coming from the mixture as a gas was released. The gas was evidence that...
a)
the mixture was starting to boil
b)
the air in the flask contracted
c)
a chemical reaction took place
d)
the vinegar and baking soda expanded
12.
Which is an example of a chemical change?
a)
paper being burned
b)
metal being melted
c)
a board being cut in half
d)
water being boiled
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