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WorksheetsWindes Chemical Changes
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
When a flare is lit, what is given off?
a)
water
b)
air
c)
water vapor
d)
light
2.
In a chemical change, what happens to the substance?
a)
it changes shape
b)
it changes chemically
c)
it freezes
d)
it melts
3.
All matter is made of what?
a)
water
b)
elements
c)
cells
d)
air
4.
Which is an example of a chemical change?
a)
glass breaking
b)
water freezing
c)
evaporation
d)
paper burning
5.
When iron rusts, it turns orange. The clue to this chemical change is?
a)
color change
b)
temperature change
c)
physical change
d)
nothing
6.
Burning wood gives off what in a chemical change?
a)
heat
b)
gas
c)
snow
d)
nothing
7.
Which is an example of a physical change?
a)
tearing up paper
b)
a glow stick
c)
burning paper
d)
a campfire
8.
When an egg is fried, what type of change occurs?
a)
a physical change
b)
a tiny change
c)
a chemical change
d)
no change
9.
Which of these is an element?
a)
oil
b)
gold
c)
wood
d)
plastic
10.
True or false, chemical changes produce new kinds of matter,
but physical changes do not.
but physical changes do not.
a)
TRUE
b)
FALSE
11.
Is this a chemical or physical change?
a)
chemical
b)
physical
12.
Is this a chemical or physical change?
a)
chemical
b)
physical
13.
Is this a chemical or physical change?
a)
chemical
b)
physical
14.
Is this a chemical or physical change?
a)
chemical
b)
physcical
15.
What are some clues that a chemical change has happened?
a)
melting or freezing, shape changes, state changes
b)
solid changes to liquid, liquid changes to gas
c)
color change, a gas is created, heat or light is created
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