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WorksheetsChem/Physical Changes
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
what is the definition of chemical change?
a)
any change that results in the formation of new chemical substances.
b)
changing clothes
c)
matter cannot be created or destroyed, only change form
d)
changes affecting the form of a chemical substance, but not its chemical composition.
2.
which one is the definition of chemical property?
a)
a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
b)
any change that results in the formation of new chemical substances
c)
combustibility
3.
How do you know what a chemical change has occurred?
a)
A smell was created
b)
Bubbles were created
c)
A noise was created
d)
A new substance was created
4.
Which is NOT a sign of a chemical change?
a)
Change in color
b)
Gas or heat was produced
c)
New substance is formed
d)
Change of state
5.
Rotting fruit
a)
Chemical
b)
Physical
6.
Photosynthesis
a)
Chemical
b)
Physical
7.
Knit a blanket
a)
Chemical
b)
Physical
8.
Change in size
a)
Chemical
b)
Physical
9.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
10.
Which type of change involves breaking the bonds in a substance in order to form new ones?
a)
Chemical Change
b)
Physical Change
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