WorksheetsPhysical & Chemical Properties and Changes
Total questions: 22
Worksheet time: 29mins
Name
Class
Date
1.
TRUE OR FALSE: You can look at matter and observe the chemical properties.
a)
TRUE
b)
FALSE
2.
What is the definition of chemical change?
a)
any change that results in the formation of new chemical substances.
b)
changing of only the appearance of the object
c)
matter cannot be created or destroyed, only change form
d)
changes affecting the form of a chemical substance, but not its chemical composition.
3.
Is wood burning a physical or chemical change?
a)
Physical
b)
Chemical
4.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical
b)
Chemical
5.
Is mold growing on cheese a physical or chemical change?
a)
Physical
b)
Chemical
6.
Is making orange juice a physical or chemical change?
a)
Physical
b)
Chemical
7.
Is sharpening a pencil a physical or chemical change?
a)
Physical
b)
Chemical
8.
Is the formation of the grand canyon a physical or chemical change?
a)
Physical
b)
Chemical
9.
Is copper tarnishing a physical or chemical change?
a)
Physical
b)
Chemical
10.
Which of the following is NOT a clue that a chemical reaction has taken place?
a)
Changing size
b)
Changing color
c)
A gas being formed
d)
Formation of a precipitate
11.
Which of the following IS a clue that a chemical change has occurred?
a)
State of matter change
b)
Size Change
c)
Change in temperature
d)
Shape change
12.
What happens in ALL chemical changes?
a)
Change in state of matter
b)
A new substance is formed
c)
Bubbles are produced
d)
An explosion
13.
When iron fillings are mixed with sand, the iron can be removed using a magnet. This is evidence that the change that occurred when the two were mixed was....
a)
physical
b)
chemical
c)
irreversible
d)
molecular
14.
Changes that reorder atoms to form new molecules, such as the reaction between sodium and chlorine ions to form sodium chloride, are known as ________
a)
State changes
b)
endothermic changes
c)
chemical changes
d)
physical changes
15.
Changes to a substance that do not involve a permanent reordering of atoms are know as
a)
irreversible changes
b)
exothermic changes
c)
chemical changes
d)
physical changes
16.
Chemical compounds undergo both physical and chemical changes. Which of the following is an example of a physical change?
a)
salt ( NaCl) being dissolved into water
b)
combining oxygen gas and hydrogen gas to form liquid water
c)
reordering atoms in a molecule
d)
heat being released when combining two substances
17.
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
18.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
19.
What type of change is this?
a)
A chemical change
b)
A physical change
20.
What type of change would this be?
a)
Physical Change
b)
Chemical Change
21.
Mixing the metal Sodium with the gas Chlorine will react and create table salt (NaCl). This type of change is a ______.
a)
Physical change
b)
Chemical change
22.
Define a physical property.
a)
Observations made or measured using your senses, without changing the identity of the substance
b)
Can only be measured using specific science equipment
c)
Only observed in situations where the identity of the object is changing
d)
Only measurable if the identity of the object changes
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