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WorksheetsPhysical versus Chemical Changes SCW
Total questions: 34
Worksheet time: 26mins
Name
Class
Date
1.
Burning Logs
a)
Physical Change
b)
Chemical Change
2.
Fireworks
a)
Physical Change
b)
Chemical Change
3.
Baking cupcakes
a)
Physical Change
b)
Chemical Change
4.
Cutting Paper
a)
Physical Change
b)
Chemical Change
5.
Digestion
a)
Physical Change
b)
Chemical Change
6.
Bleaching or dying your hair
a)
Physical Change
b)
Chemical Change
7.
Frying an egg
a)
Physical Change
b)
Chemical Change
8.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
9.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
10.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
11.
Adding baking soda and vinegar together causes it to bubble and create carbon dioxide.
a)
Chemical
b)
Physical
12.
Rusting piece of metal is an example of a chemical change.
a)
true
b)
false
13.
What happens in ALL chemical changes?
a)
Change in state of matter
b)
A new substance is formed
c)
Bubbles are produced
d)
An explosion
14.
Which of the following IS a clue that a chemical change has occurred?
a)
State of matter change
b)
Size Change
c)
Change in temperature
d)
Shape change
15.
A glass breaks.
a)
physical change
b)
chemical change
16.
A piece of paper burns.
a)
physical change
b)
chemical change
17.
You cut up your food before you eat it.
a)
physical change
b)
chemical change
18.
What type of change occurs when a substance changes into a new or different substance?
a)
physical change
b)
chemical change
19.
Is making a cake physical or chemical
a)
physical
b)
chemical
c)
ductile
d)
malleable
20.
Is "mold growing on cheese" a chemical or physical change?
a)
Chemical change
b)
Physical change
21.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
22.
An instant ice pack getting cold when the chemicals are able to touch.
a)
Chemical Change
b)
Physical Change
23.
A car door has become rusted over time.
a)
Chemical change
b)
Physical change
c)
Neither
24.
Stretching a rubber band
a)
Chemical change
b)
Physical change
c)
Neither
25.
Mixing two chemicals and the temperature increases or decreases
a)
Chemical Change
b)
Physical Change
c)
Neither
26.
Breaking a pencil in half?
a)
Chemical Change
b)
Physical Change
c)
Neither
27.
Lighting a match which produces a flame(light)
a)
Chemical change
b)
Physical change
c)
Neither
28.
Freezing water to make ice
a)
Chemical change
b)
Physical change
c)
neither
29.
What is the definition of a Chemical change?
a)
Changes made that create a new substance
b)
Changes made without changing the identity of the substance
c)
neither
30.
Mixing mentos with diet coke to form bubbles
a)
Chemical Change
b)
Physical Change
c)
Neither
31.
Mixing two liquids together to form a solid (Precipitate)
a)
Chemical change
b)
Physical Change
c)
Neither
32.
As an iron nail rusts, the color changes from grey to orange.
a)
Physical Change
b)
Chemical Change
33.
Bubbles form when baking soda is poured on an acid spill.
a)
Physical Change
b)
Chemical Change
34.
A yellow precipitate forms after two solutions are mixed.
a)
Physical Change
b)
Chemical Change
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