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WorksheetsChemical Changes
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Baking is pretty much just ___
a)
astronomy
b)
chemistry
c)
biology
d)
physics
2.
The science of different kinds of matter, and how that matter can change, is called ___
a)
physics
b)
baking
c)
chemistry
d)
biology
3.
Anything made by combining two or more different things is called ___
a)
a solvent
b)
a solution
c)
a chemical change
d)
a mixture
4.
Both baking and chemistry require careful ___
a)
tasting and measuring
b)
timing and heating
c)
tasting and heating
d)
timing and measuring
5.
In a chemical change, particles that make up two or more substances are rearranged to ___
a)
form a mixture
b)
form a new substance
c)
mix into a solid
d)
mix into a solution
6.
Unlike the mixtures from our picnic, chemical changes usually ___
a)
can't be eaten
b)
can't be undone
c)
involve only two things
d)
can be seperated
7.
Which of these is NOT an indicator of a chemical change?
a)
a change in color
b)
giving off or taking in of heat
c)
the release of gases
d)
a change in shape
8.
Data that supports or disputes a scientific idea is called ___
a)
guesses
b)
evidence
c)
a theory
d)
a hypothesis
9.
All the little holes in the spongy-looking cake were caused by ___
a)
liquid oxygen
b)
oxygen gas
c)
carbon dioxide gas
d)
frozen carbon dioxide
10.
Change in color, release of smell or light, and giving off heat are indicators of ___
a)
a nuclear change
b)
a physical change
c)
a chemical change
d)
a state change
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