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WorksheetsDistinguish between physical and chemical changes using examples
Total questions: 22
Worksheet time: 10mins
Name
Class
Date
1.
Water boiling is a _______ change.
a)
Physical Change
b)
Chemical Change
2.
Fireworks Exploding are a ________ change.
a)
Physical Change
b)
Chemical Change
3.
What is the evidence of the chemical change seen here?
a)
Color change
b)
Light produced
c)
state change
d)
mixture
4.
Blow drying my hair is an example of a physical change. What is the evidence of this?
a)
State Change
b)
Fire
c)
New substance
d)
Color Change
5.
Burning wood
a)
physical change
b)
chemical change
6.
Acid in stomach, breaking down food.
a)
physical change
b)
chemical change
7.
Burning coal
a)
chemical change
b)
physical change
8.
Melting ice
a)
physical change
b)
chemical change
9.
Which change describes a substance that changes shape, form, or appearance but is still the same substance?
a)
physical change
b)
chemical change
10.
What happens when a new substance is produced during a reaction?
a)
chemical change
b)
physical change
11.
broken glass
a)
physical change
b)
chemical change
12.
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
13.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
14.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
15.
A change where one or more new substances are created.
a)
Physical Change
b)
Chemical Change
16.
Change in color is a physical change.
a)
True
b)
False
17.
Change in density is a physical change.
a)
True
b)
False
18.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
19.
Which of these is a result of a physical change?
a)
A new odor
b)
A new gas
c)
A new chemical substance
d)
A solution
20.
Which of these does NOT happen during a chemical change?
a)
Atomic bonds are formed or break apart
b)
New substance(s) are formed with different chemical properties
c)
The number of atoms in the reaction stays the same
d)
The chemical properties of the beginning substance(s) are the same as those of the end product(s)
21.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
22.
When atoms in reactants are rearranged to form new products, this is a
a)
Chemical change
b)
Physical change
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