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Chemical and Physical Change

Total questions: 117

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Glass breaking is an example of :

a)

chemical change

b)

Physical Change

c)

No Change

2.

Spoiling food is an example of:

a)

chemical change

b)

physical change

c)

no change

3.

Which is an example of a different substance being formed?

a)

glass breaking

b)

metal melting

c)

water freezing

d)

wood burning

4.

Which of the following is not an example of a mixture?

a)

Fruit salad

b)

Salt

c)

Lucky Charms

5.

Which of the following is an example

of a chemical change?

a)

frying eggs

b)

melting ice cream

c)

making a paper airplane

d)

wetting a towelphy

6.

 

Which is an example of a physical

change?

a)

a candle burning

b)

baking a cake

c)

evaporating water

d)

metal rusting

7.

Jen baked a cake for her sister birthday. Jen state that once the cake was complete it suffer a

a)

Physical Change

b)

Chemical Change

c)

No Change

8.

Mowing the lawn is an example of

a)

Chemical Change

b)

Physical Change

c)

No Change

9.

Jerome put water in the freezer and made ice. Which of the following happened?

a)

Water underwent a chemical change.

b)

Water physically changed from a solid to a liquid.

c)

Water physically changed from a gas to a liquid.

d)

Water physically changed from a liquid to a solid.

10.

Which of the following will result in a substance with new chemical properties?

a)

Shredding a newspaper

b)

Breaking a mirror

c)

Cutting wood

d)

Popping popcorn

11.

Select all the examples of a chemical change.

a)

ice melting

b)

nail rusting

c)

bread baking

d)

wood burning

e)

milk spoiling

12.

Which is needed for both boiling and melting to occur?

a)

solids

b)

gases

c)

heat

d)

pressure

13.

The boiling of water results in a physical change in matter from

a)

solid to solid

b)

gas to solid

c)

solid to gas

d)

liquid to gas

14.

Physical change is

a)

A change of matter from one form to another without turning into a new substance.

b)

A change that occurs when one or more substances produce new substances with different properties.

c)

The changes that happen to substances during a chemical change.

d)

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

15.

Chemical change is

a)

A change of matter from one form to another without turning into a new substance.

b)

A change that occurs when one or more substances produce new substances with different properties.

c)

The changes that happen to substances during a chemical change.

d)

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

16.

Chemical reaction is

a)

A change of matter from one form to another without turning into a new substance.

b)

A change that occurs when one or more substances produce new substances with different properties.

c)

The changes that happen to substances during a chemical change.

d)

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

17.

Melting point is

a)

A change of matter from one form to another without turning into a new substance.

b)

A change that occurs when one or more substances produce new substances with different properties.

c)

The changes that happen to substances during a chemical change.

d)

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

18.

Boiling point is

a)

The temperature at which a liquid changes to a gas. The boiling point of water is 100 °C.

b)

A change that occurs when one or more substances produce new substances with different properties.

c)

The changes that happen to substances during a chemical change.

d)

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

19.

Freezing point is

a)

The temperature at which a liquid changes to a gas. The boiling point of water is 100 °C.

b)

The temperature at which a liquid changes into a solid. A substance's freezing point is the same as its melting point. The freezing point of water is 0 °C.

c)

The changes that happen to substances during a chemical change.

d)

The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

20.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
21.

Is glass breaking a chemical or physical change?

a)
chemical
b)
physical
22.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
23.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
24.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
25.
Is frying an egg a physical or chemical change?
a)
chemical
b)
physical
26.
Salt dissolves in water
a)
physical Change
b)
chemical change
27.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
28.
what is the definition of physical change?
a)
any change that results in the formation of new chemical substances. 
b)
rusting
c)

changes affecting the form of a chemical substance, but not its chemical identity.

d)
any property that is measurable, whose value describes a state of a physical system
29.

What is a chemical change?

a)

How two chemicals react with one another when combined

b)

A property that we can measure or observe with our 5 senses or other tools

c)

When two chemicals react with one another to form a new substance

d)

When a change occurs but it does not result in the formation of a new substance

30.

A student mixes yellow powder with water. Which observation would prove a CHEMICAL change occurred?

a)

The powder DISSOLVED in the water

b)

The water turned the COLOR yellow

c)

The water's TEMPERATURE changed

d)

The STATE OF MATTER changed

31.

Which of the following examples provides evidence of a PHYSICAL change?

a)

Wood is burned and releases ash and smoke

b)

Iron rusts over time

c)

When mixed, baking soda and vinegar form gas bubbles

d)

Boiling water bubbles when heated

32.

Which of the following options provides evidence of a CHEMICAL change?

a)

Wood is burned releasing ash and smoke

b)

Rocks separate when soil is sifted

c)

Boiling water bubbles when heated

d)

Salt dissolves in water

33.

Which observations prove a chemical change occurred ?

a)

Dissolving and expected color change

b)

Mixing and dissolving

c)

State of matter change and boiling water bubbles

d)

Unexpected color change and temperature change

34.

When mixing milk and vinegar, a white, chunky, solid substance is formed. What has occurred?

a)

Physical change: state of matter

b)

Chemical change: precipitate

c)

Physical change: freezing

d)

Chemical change: new gas

35.

You mix two liquids together, bubbles form and the temperature decreases. This is a....

a)

Endothermic chemical change

b)

Exothermic chemical change

c)

Physical Change

36.

You mix a red liquid and a white solid together. They turn yellow and the temperature increases. This is a...

a)

Endothermic chemical change

b)

Exothermic chemical change

c)

Physical Change

37.

You mix a yellow powder and a clear liquid. The liquid turns light yellow and the powder seems to disappear. This is a...

a)

Endothermic Chemical Change

b)

Exothermic Chemical Change

c)

Physical Change

38.
In physical changes, substances might change in __________ but not in __________.
a)
appearance, composition
b)
volume, state of matter
c)
texture, color
d)
weight, mass
39.
True or False: a physical change may produce a new substance.
a)
True
b)
False
40.
Which of the following is an example of a precipitate?
a)
liquid evaporating into gas
b)
a solid formed from a frozen liquid
c)
a chunk solid formed from two liquids combining
d)
a liquid solution that contains two substances
41.
Which of the following is an example of a physical change?
a)
sugar and oxygen reacting to produce water and carbon dioxide
b)
honey dissolving in tea
c)
a raw egg being cooked
d)
metal rusting after being left out in the rain
42.
A physical change can sometimes result in a color change. Which of the following situations show this?
a)
Milk turns yellow when it spoils.
b)
Dough becomes darker when it is baked into cake.
c)
A red candy dissolves and turns water pink.
d)
A match turns black when it is burned.
43.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
44.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
45.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
46.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
47.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
48.

Choose the best description below for the image

a)

physical change

b)

chemical change

49.

Choose the best description below for the image

a)

physical change

b)

chemical change

50.

Choose the best description below for the image

a)

physical change

b)

chemical change

51.

Choose the best description below for the image

a)

physical change

b)

chemical change

52.

Choose the best description below for the image

a)

physical change

b)

chemical change

53.

Choose the best description below for the image

a)

physical change

b)

chemical change

54.

The image is best described as

a)

Chemical Change

b)

Physical Change

55.

Which of the following is not a sign of chemical change?

a)

Change is shape

b)

Change in colour

c)

Change in temperature

d)

Production of light or sound

56.

Logs of pine wood are burning in a fireplace. What is a sign that a chemical change is happening to the wood?

a)

The wood turns black

b)

The wood is brown

57.

Logs of pine wood are burning in a fireplace. What is a sign that a chemical change is happening to the wood?

a)

Heat and light are released

b)

The wood smells like pine

58.

A chemical change occurs when:

a)

a new substance is created

b)

a substance looks different from before

c)

a substance's physical properties change

d)

two substances are mixed together

59.

Which of the following is a chemical change?

a)

Water combines with sodium to form sodium hydroxide and hydrogen gas

b)

Salt is mixed with pepper in a bowl

60.

Which of the following is a chemical change?

a)

Water breaks down to form hydrogen gas and oxygen gas

b)

Water freezes to make ice

61.

True/False: Chemical changes are usually easy to reverse.

a)

True

b)

False

62.

Which of the following characteristics is shared by all chemical reactions?

a)

Produce a precipitate

b)

Show a color change

c)

Release heat energy

d)

Form new substances

63.

Chemical or Physical change?

most of the properties before and after are the same.

a)

Chemical

b)

Physical

64.

Chemical or Physical change?

Most of the properties before and after are the different.

a)

Chemical

b)

Physical

65.

Chemical or Physical change?

Breaking an egg

a)

Chemical

b)

Physical

66.

Chemical or Physical change?

Shattering a vase.

a)

Chemical

b)

Physical

67.

True/False: When a substance undergoes a physical change a new substance is produced.

a)

True

b)

False

68.

True/False: When a substance undergoes a physical change the particles moves to new positions, speed up or slow down.

a)

True

b)

False

69.

True/False: When a substance undergoes a physical change the particles can change speed but not position.

a)

True

b)

False

70.

Which term matches the following definition?

Definition: a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition (make up), resulting in the formation of at least one new substance.

a)

Chemical change

b)

Physical Change

c)

Chemical property

d)

Physical property

71.

Which term matches the following definition?

Definition: a usually reversible change in the physical properties of a substance, as size or shape. This change does not result in a change chemical properties or composition (make up), as it is the same substance before and after the change.

a)

Chemical change

b)

Physical Change

c)

Chemical property

d)

Physical property

72.

Which term matches the following definition?

Definition: a characteristics of chemicals that are not associated with a change in it's chemical composition. Example include size, shape, colour, density, mass, volume, length and lustre. An example of this for iron is it is silver, shiny and dense.

a)

Chemical change

b)

Physical Change

c)

Chemical property

d)

Physical property

73.

Which term matches the following definition?

Definition: a characteristics of chemicals that are associated with a change in it's chemical composition (make up). Example include flammability and reactivity. An example of this for Iron is it combines with oxygen in the presence of water to form rust (iron oxide).

a)

Chemical change

b)

Physical Change

c)

Chemical property

d)

Physical property

74.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

75.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

76.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

77.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

78.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

79.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

80.

Burning needs................gas

a)

oxygen

b)

carbon dioxide

c)

nitrogen

81.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
82.

Melting butter for popcorn is a

a)

chemical change

b)

physical change

83.

A change in which NEW substances are formed.

a)

Chemical change

b)

Physical change

84.

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

a)

sour milk

b)

burning wood

c)

breaking a pencil

d)

rust

85.

Which of the following is true?

a)

A physical property can only be seen.

b)

A physical property describes how matter can change when exposed to air.

c)

A physical property is something that can be observed about the substance by itself.

d)

A physical property can only be observed when two types of matter interact.

86.

Which of the following are physical properties of the matter pictured?

Check all that are true

a)

reacts to oxygen

b)

smooth

c)

malleable (bendable)

d)

reddish-brown

e)

shiny

87.

A chemical property describes how matter __________.

a)

smells

b)

reacts with another type of matter

c)

looks under a microscope

d)

dissolves when made into a solution

88.

Physical properties are to __________, as chemical properties are to __________.

a)

chemical changes; physical changes

b)

physical changes ; chemical changes

c)

matter ; matter

d)

chemical reactions ; chemical reactions

89.

Which of these would NOT be chemical properties of oxygen?

Check all that are true.

a)

has no color

b)

reacts to moisture and iron to form rust

c)

helps many substances burn

d)

has no odor

90.

A physical change can change the __________ of a substance but cannot form new matter.

Check all that are true.

a)

state

b)

size

c)

color

d)

shape

91.

Which statement best describes what is happening in the images?

a)

a physical change

b)

a chemical change

c)

both a physical and a chemical change

d)

dissolving

92.

Jack leaves solid butter near a warm surface. When Jack returns, the butter has turned into a liquid. Jack's friend Elijah insists this is a chemical change. Is Elijah right?

a)

no, because no new matter was formed

b)

yes, because the matter changed states

c)

no, because the butter didn’t have enough time to go through a chemical change

d)

yes, because melted butter is a new type of matter

93.

Imagine the substances below are combined. None of them dissolve and no new matter is created. What happened?

a)

A physical change that is a solution.

b)

A physical change that is a mixture.

c)

A chemical change that is a mixture.

d)

A chemical change that is a solution.

94.

When combined, the powder and water create a solution because the powder dissolves evenly into the water. This is an example of a __________. If the water were evaporated from the solution, the powder would __________.

a)

physical change ; have disappeared

b)

physical change ; remain

c)

chemical change ; be a new matter

d)

chemical change ; remain

95.

Fireworks can be many different colors. The color depends on the mix of chemicals inside the fireworks. When the different chemicals ignite, they each produce different colors. Which of the following is true about fireworks?

a)

The fireworks’ color is caused by matter dissolving.

b)

A chemical change causes the fireworks’ color.

c)

Neither a physical nor a chemical change causes the fireworks’ color.

d)

A physical change causes the fireworks’ color.

96.

Which of these are most likely to cause a chemical change?

Check all that are true.

a)

folding

b)

rusting

c)

cooking

d)

burning

97.

True or false?

Clues like color change, bubbles, and odors guarantee a chemical change has occurred.

a)

False, these are all clues to only physical changes.

b)

True, all are signs that a chemical change has definitely occurred.

c)

False, some of these clues can be either physical or chemical changes.

d)

False, no clues to chemical changes exist.

98.

TRUE or FALSE: "Matter cannot be lost even when a chemical reaction occurs."

a)

TRUE

b)

FALSE

99.

A new substance is formed during which type of change?

a)

Physical Change

b)

Chemical Change

100.

Properties that can only be observed or measured by changing the chemical identity of a substance.

a)

Physical Properties

b)

Combustible Properties

c)

Chemical Properties

d)

Changeable Properties

101.

How easily a substance reacts with Oxygen.

a)

reactivity

b)

oxidation

c)

combustibility

d)

solubility

102.

Which of the following is a Chemical Property?

a)

solubility

b)

flammability

c)

viscosity

d)

melting point

103.

Which of the following is a Chemical Property?

a)

radioactivity

b)

boiling point

c)

solubility

d)

viscosity

104.

Which of the following is a Chemical Property?

a)

viscosity

b)

melting point

c)

solubility

d)

toxicity

105.

How easily a substance will set on fire.

a)

oxidation

b)

reactivity

c)

combustibility

d)

chemical property

106.

Matter is neither created or destroyed during a chemical change. It only changes forms.

a)

Law of Conservation of Changes

b)

Law of Conversation of Energy

c)

Law of Conversation of Matter

d)

Law of Conservation of Particles

107.

Release of light, temperature change, sudden color change, sudden appearance of a solid, and gas given off are all evidence of what?

a)

chemical change

b)

physical change

c)

matter disappearing

d)

physical and chemical changes occurring

108.

Process by which the atoms of one or more substances are rearranged to form different substances.

a)

physical reaction

b)

solubility

c)

chemical reaction

d)

oxidation

109.

Cutting, crushing, melting, and boiling are all examples of what?

a)

physical changes

b)

chemical changes

c)

messes

d)

Law of Conservation of Particles

110.

A change is a substance that affects its chemical properties thus a chemical reaction happens and a new substance is formed.

a)

physical change

b)

physical properties

c)

chemical change

d)

chemical properties

111.

How easily a substance reacts, usually with an acid or a base

a)

reactivity

b)

solubility

c)

oxidation

d)

flammability

112.

Which of the following is an example of a chemical change?

a)

burning

b)

rusting

c)

decomposing

d)

ALL of these are examples of chemical changes

113.

Burning charcoal is an example of which of the following?

a)

oxidation

b)

combustibility

c)

reactivity

d)

viscosity

114.

Which of the following creates rust on vehicles?

a)

oxidation

b)

solubility

c)

combustibility

d)

reactivity

115.

Fluorine gas spontaneously igniting a concrete block at room temperature is an example of which of the following?

a)

oxidation

b)

viscosity

c)

combustibility

d)

reactivity

116.

A change in a substance that only affects its physical properties.

a)

physical change

b)

chemical change

c)

oxidation change

d)

matter change

117.

TRUE or FALSE: "Breaking a glass window with a baseball is an example of a chemical change."

a)

TRUE

b)

FALSE

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