WorksheetsFormation of a New Substance
Total questions: 24
Worksheet time: 27mins
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 is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
3.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
4.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
5.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
6.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
7.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
8.
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.
9.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
10.
When you break a cracker into pieces it is a
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
11.
Is being able to melt physical or chemical
a)
physical
b)
chemical
c)
duck
ductile
ductile
d)
malleable
12.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
13.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
14.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
15.
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.
16.
What is an example of a Chemical change?
a)
Ripped paper
b)
boiled egg
c)
cracked egg
d)
sugar in water
17.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
18.
Changing the Shape, State, or Size of an object is a...
a)
Physical Change
b)
Chemical Change
c)
Chemical Property
19.
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.
20.
ice cube melts
a)
physical change
b)
chemical change
21.
water is heated and changed to steam
a)
physical change
b)
chemical change
22.
a piece of copper is cut in half
a)
physical change
b)
chemical change
23.
hydrochloric acid reacts with magnesium to produce hydrogen gass
a)
physical change
b)
chemical change
24.
Salt dissolves in water
a)
physical Change
b)
chemical change
100 %
