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2nd SW Warm Up 3
Contributed by: Ruble
(Original author: Bellman)
1.
Which of the following is NOT an example of a 
chemical change?
burning wood
breaking a stick
baking soda and vinegar fizzing
meat cooking in a pan
2.
A ____________   ___________ occurs when two or more
substances combine chemically to form a new 
substance.
chemical change
chemical state
chemical reaction
science experiment
3.
A___________   _____________  occurs when one or
more substances are changed into new substances
with different properties from the original
chemical change
chemical state
chemical reaction
science experiment
4.
True or False

A dog barking is a chemical change.
True
False
5.
True or False
Water boiling is a chemical reaction.
True
False
6.
Which of the following IS an example of
a chemical change?
people running
dynamite exploding
rocks breaking
washing clothes
7.
True or False
Baking a cake is an example of a chemical change.
True
False
8.Making Kool-Aid is a chemical change.
True
False
9.
Density is measured by dividing __________
by ___________.
mass, volume
length, width
height, length
pounds, inches
10.
If an object has a mass of 25 grams and a 
volume of 5mL, what is it's density?
125 g/mL
1 g/mL
5 g/mL
4 g/mL
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