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Worksheets

Physical & Chemical Properties & Changes

Total questions: 75

Worksheet time: 6hrs 57mins

Name
Class
Date
1.
Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change. 
a)
Chemical then Physical 
b)
Physical then Chemical
c)
Both Physical
d)
Both Chemical
2.
In baking biscuits and other quick breads, the baking powder reacts to release carbon dioxide bubbles. The carbon dioxide bubbles cause the dough to rise. 
a)
Physical Change
b)
Chemical Change
3.
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
4.
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
5.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
6.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
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.

An ice cream cone melts in a kid's hand while walking outside on a hot summer day. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

9.

A silver ring gets tarnished (becomes dull) as a result of being exposed to air and moisture. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

10.

Water boils at 100˚C. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

11.

Benzene is a compound that is highly flammable. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

12.

A burglar smashes the window of a nearby car to steal some money. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

13.

Stomach acid has a pH of approximately 2. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

14.

Mercury is a metal that is liquid at room temperature. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

15.

Copper is a good conductor of heat and electricity. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

16.

A student rips up his exam paper in frustration. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

17.

A group of campers burned some wooden logs to make a bonfire. What is this an example of?

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

18.
What is reactivity?
a)
how a substance combines physically with another substance
b)
how a substance combines chemically with another substance 
19.
Which of the following is a chemical change?
a)
human digestion
b)
cutting a tree down
c)
melting a chocolate bar
d)
Has a density of 1 gm/mL
20.
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
21.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
22.
Shanna and Ryan were comparing two brands of motor oil. They put a drop of each brand on one end of a glass slide and then tipped the slide. They measured how long it took each drop to reach the bottom of the slide. What were they testing?
a)
physical property
b)
chemical property
c)
physical change 
d)
chemical change
23.
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
a)
evaporation; chemical change
b)
condensation; physical change 
c)
evaporation; physical change
d)
condensation; chemical change
24.
Which of the following is not a clue that a chemical change has taken place?
a)
Changing size
b)
Changing color
c)
A gas being formed
d)
Formation of a precipitate
25.
In each investigation scientists combined 2 liquids under a vent hood & recorded their observations. In which investigation is a chemical change least likely?
a)
1
b)
2
c)
3
d)
4
26.
Which of the following is not a chemical property? 
a)
rusting 
b)
boiling 
c)
rotting 
d)
burning 
27.
What is reactivity?
a)
how a substance combines physically with another substance
b)
how a substance combines chemically with another substance 
28.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
29.
Which is an example of a physical property?
a)
ability to react with acid
b)

 state of matter

c)
flammability
d)
ability to react with oxygen
30.
Which of the following is a chemical change?
a)
human digestion
b)
cutting a tree down
c)
melting a chocolate bar
d)
Has a density of 1 gm/mL
31.
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
32.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
33.
Density: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
34.
Flammability (burns): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
35.
Reacts with Acid: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
36.
Melting Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
37.
Boiling Point: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
38.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
39.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
40.
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
41.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
42.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
43.

Glass breaking

a)

Physical Change

b)

Chemical Change

44.

A rusting bicycle

a)

Physical Change

b)

Chemical Change

45.

Melting butter for popcorn

a)

Physical Change

b)

Chemical Change

46.

Burning toast

a)

Physical Change

b)

Chemical Change

47.

Which set of properties, intensive or extensive, are based on the size of a sample?

a)

intensive

b)

extensive

48.

What kind of physical property is this? Density

a)

intensive

b)

extensive

49.

What kind of physical property is this? Boiling Point

a)

intensive

b)

extensive

50.

What kind of physical property is this? Volume

a)

intensive

b)

extensive

51.

What kind of physical property is this? Mass

a)

intensive

b)

extensive

52.

What kind of physical property is this? Melting Point

a)

intensive

b)

extensive

53.

What are properties that do depend on the amount of matter present called?

a)

Mass

b)

Hardness

c)

Extensive

d)

Intensive

54.

Name an extensive property

a)

Color

b)

Mass

c)

Odor

d)

Luster

55.

Name an extensive property

a)

Harness

b)

Boiling point

c)

Density

d)

Weight

56.

What is the definition of intensive property?

a)

Properties that vary depending on the amount of matter

b)

Properties that do not change with amount of matter

57.

Why are intensive properties used to characterize matter?

a)

They do not change with the amount of matter

b)

They vary with the amount of matter

c)

They are more pronounced than extensive properties

d)

None of these are correct

58.
A change that alters the physical properties of a substance without changing its composition.
a)
Physical Change
b)
Chemical Change
59.
A change in matter that forms one or more new substances with new chemical properties is a/an...
a)
Physical Change
b)
Chemical Change
60.
Any change in the state of matter of a substance is a...
a)
Physical Change
b)
Chemical Change
61.
Chemical or Physical?  Glass breaking into tiny shards
a)
Chemical Change
b)
Physical Change
62.
Physical or Chemical Change?  Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
63.
Physical or Chemical Change?  Sodium metal burning in water.
a)
Physical Change
b)
Chemical Change
64.
melting ice cream
a)
physical change
b)
chemical change
65.

Which of the following is NOT an example of a physical change?

a)

crumpling paper

b)

sharpening a pencil

c)

clothes shrinking

d)

sour milk

66.

Which of the following is NOT an example of chemical change?

a)

sour milk

b)

burning wood

c)

breaking a pencil

d)

rust

67.

Salt dissolved in water is a

a)

physical change

b)

chemical change

68.

Chewing food is a

a)

physical change

b)

chemical change

69.

if there is a change in color, production of light, production of heat, production of gas, production of smell or formation of a new substance.

a)

physical change

b)

chemical change

70.

What does it mean when there is a physical change?

a)

Matter has change from one substance into another.

b)

Matter has change on the molecular level

c)

A new substance has been formed.

d)

Matter has changed size, shape or form.

71.

In a chemical reaction, the mass is _______.

a)

gained

b)

los

c)

conserved

72.

It states that mass of the reactant is equal to the mass of the products.

a)

law of definite energy

b)

law of conservation of mass

c)

law of inertia

d)

law of acceleration

73.

Breaking, crushing, bending are all examples of

a)

physical change

b)

chemical change

c)

both

74.

Painting a fence is a

a)

physical change

b)

chemical change

75.

What is an example of a physical change that happens inside your body?

a)

Food being broken down by acids in your stomach.

b)

Food being broken down into small pieces by your teeth.

c)

Food being moved to your stomach.

d)

Water being absorbed inside your large intestine.