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WorksheetsPhysical and Chemical Change
Total questions: 34
Worksheet time: 39mins
Name
Class
Date
1.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
2.
Which of the following properties is a physical property?
a)
magnetism
b)
reactivity with oxygen
c)
flammability
d)
non-reactive
3.
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.
4.
Any change that alters the form or appearance of a substance but does not change it into another substance, is called __.
a)
physical change
b)
chemical change
c)
endothermic change
d)
exothermic change
5.
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
6.
A change in matter that produces one or more new substances is called __.
a)
physical change
b)
chemical change
c)
endothermic change
d)
exothermic change
7.
Which of the following is NOT a sign that a chemical reaction has taken place?
a)
formation of a precipitate
b)
formation of a gas
c)
color change
d)
change in state (solid, liquid, or gas)
8.
A solid that forms from liquids during a chemical reaction is called __.
a)
physical change
b)
chemical change
c)
gases
d)
precipitate
9.
Leaves turning color in the fall is an example of __.
a)
chemical change
b)
physical change
10.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
11.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
12.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
13.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
14.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
15.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
16.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
17.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
18.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
19.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
20.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
21.
Which is a Chemical property?
a)
Thermal Conductivity
b)
Density
c)
Malleability
d)
Flammability
22.
Jayden asked Gabe what she could do to an egg for a chemical change. Gabe answered correctly and said...
a)
You can drop the egg.
b)
You can cook the egg.
c)
You can crack the egg.
d)
You can paint the egg.
23.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
24.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
25.
The substances made during the chemical reaction are called ________
a)
reactants
b)
solution
c)
products
d)
problem
26.
This helps to speed up a reaction but does not take part in the chemical reaction.
a)
coeffiecents
b)
reactants
c)
catalyst
d)
combustion
27.
In an endothermic reaction, heat is ,,,
a)
taken in
b)
given out
28.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
29.
what is an example of exothermic?
a)
firework
b)
ice pack
c)
coal
d)
wood
30.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
31.
Is photosynthesis an exothermic or endothermic reaction?
a)
Endothermic
b)
Exothermic
32.
Is the combustion of gasoline endothermic or exothermic?
a)
Endothermic
b)
Exothermic
33.
The substances listed on the left side of a chemical equation are the
a)
Products
b)
Coefficients
c)
Precipitates
d)
Reactants
34.
A change in state (ie. melting, boiling, etc.) is always what type of change?
a)
Physical Change
b)
Chemical Change
c)
Precipitate Change
d)
Exothermic Change
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