Changes in Matter: Interactive Learning Quizzes for 3rd Grade Science

Question 1

When matter changes its shape or size but stays the same substance, what type of change is it?

Accepted Answer

Physical change

Answer

Chemical change

Answer

Nuclear change

Question 2

When a candle flame flickers, what type of change is taking place?

Accepted Answer

Chemical change

Answer

Physical change

Answer

Nuclear change

Answer

Biological change

Question 3

What happens to water when it freezes?

Accepted Answer

Liquid to solid

Answer

Solid to liquid

Answer

Gas to liquid

Answer

Liquid to gas

Question 4

Which of these is a mixture?

Accepted Answer

A combination of two or more substances that keep their own properties

Answer

A new substance formed when two or more substances react

Answer

A substance that cannot be broken down into simpler substances

Answer

A substance that contains only one type of atom

Question 5

When sugar dissolves in water, what kind of change happens?

Accepted Answer

Physical change

Answer

Chemical change

Answer

Both physical and chemical change

Answer

No change

Question 6

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

Accepted Answer

Baking a cake

Answer

Mixing salt and water

Answer

Melting a candle

Answer

Crushing ice

Question 7

When you light a match, what types of changes are happening?

Accepted Answer

Both physical and chemical change

Answer

Physical change

Answer

Chemical change

Answer

No change

Question 8

Which of these actions shows a chemical change?

Accepted Answer

Burning a candle

Answer

Tearing a piece of paper

Answer

Dissolving sugar in water

Answer

Freezing water

Question 9

When a solid changes directly into a gas, what process occurs?

Accepted Answer

Sublimation

Answer

Evaporation

Answer

Melting

Answer

Freezing

Question 10

Which of these changes is a chemical change?

Accepted Answer

Paper burning

Answer

Ice melting

Answer

Water freezing

Answer

Salt dissolving in water

Question 11

What happens when metal rusts?

Accepted Answer

Chemical change

Answer

Physical change

Answer

Exothermic change

Answer

Endothermic change

Question 12

Which of these is an example of a mixture?

Accepted Answer

Air

Answer

Water

Answer

Gold

Answer

Salt

Question 13

What causes a physical change in matter?

Accepted Answer

Changing temperature or pressure

Answer

Changing the atoms

Answer

Changing chemical bonds

Answer

Exposing it to oxygen

Question 14

Which process involves a change from gas to solid?

Accepted Answer

Deposition

Answer

Evaporation

Answer

Condensation

Answer

Fusion

Question 15

How are homogeneous and heterogeneous mixtures different?

Accepted Answer

Homogeneous mixtures have the same composition throughout, while heterogeneous mixtures have different compositions in different parts.

Answer

Heterogeneous mixtures have the same composition throughout, while homogeneous mixtures have different compositions in different parts.

Answer

Homogeneous mixtures are always solids, while heterogeneous mixtures are always liquids.

Answer

Heterogeneous mixtures are always solids, while homogeneous mixtures are always liquids.

Question 16

Which of these changes cannot be reversed?

Accepted Answer

Burning paper

Answer

Melting ice

Answer

Boiling water

Answer

Dissolving sugar in water

Question 17

What is the process called when a gas becomes a liquid?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Freezing

Answer

Sublimation

Question 18

When you heat water, what happens to the water molecules?

Accepted Answer

They speed up.

Answer

They slow down.

Answer

They stay the same.

Question 19

When a solid melts, what happens to its shape?

Accepted Answer

It changes shape.

Answer

It keeps its shape.

Answer

It loses its shape.

Question 20

When you mix sugar and water, do the sugar molecules disappear?

Accepted Answer

No

Answer

Yes

Question 21

When you burn a candle, what change takes place?

Accepted Answer

A chemical change

Answer

A physical change

Question 22

When you fold a piece of paper, what type of change is it?

Accepted Answer

A physical change

Answer

A chemical change

Question 23

When you boil water, what is the name of the change that occurs?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Freezing

Answer

Melting

Question 24

Which of the following is a mixture?

Accepted Answer

Saltwater

Answer

Pure water

Answer

Gold

Answer

Sugar

Question 25

What is the name of the instrument used to measure temperature?

Accepted Answer

Thermometer

Answer

Barometer

Answer

Anemometer

Answer

Hydrometer

Question 26

Which of these is a change that DOES NOT create a new substance?

Accepted Answer

Melting ice

Answer

Burning a piece of paper

Answer

Rusting iron

Answer

Cooking an egg

Question 27

When a solid turns into a liquid, what is the name of the change?

Accepted Answer

Melting

Answer

Freezing

Answer

Sublimation

Answer

Condensation

Question 28

When a candle burns, what type of change is taking place?

Accepted Answer

Chemical change

Answer

Physical change

Answer

Magnetic change

Answer

Electrical change

Question 29

When a liquid turns into a gas, what is the process called?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Freezing

Answer

Sublimation

Question 30

Which of these changes CANNOT be undone?

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Freezing water

Answer

Dissolving sugar in water

Question 31

What is an example of a chemical change that occurs in the human body?

Accepted Answer

Digestion

Answer

Breathing

Answer

Sweating

Answer

Stretching

Question 32

When ice melts, it changes from a solid to a liquid. Is this a physical or chemical change?

Accepted Answer

Physical change

Answer

Chemical change

Question 33

What happens to the atoms in a chemical change?

Accepted Answer

They are rearranged to form a new substance.

Answer

They are added or removed from the substance.

Answer

They stay the same.

Question 34

Which of the following is a catalyst?

Accepted Answer

Enzyme

Answer

Salt

Answer

Sugar

Answer

Water

Question 35

What type of change occurs when paper burns?

Accepted Answer

Chemical change

Answer

Physical change

Answer

Nuclear change

Question 36

When baking a cake, what happens to the batter that shows a chemical reaction is taking place?

Accepted Answer

Bubbles form in the batter.

Answer

The batter changes color.

Answer

The batter becomes thicker.

Question 37

You're baking two identical cakes. One is baked at a higher temperature than the other. Which cake will bake faster?

Accepted Answer

The cake baked at the higher temperature

Answer

The cake baked at the lower temperature

Answer

The temperature won't affect the baking time

Answer

The cake baked at the higher temperature won't bake at all

Question 38

When water vapor cools and turns back into liquid water, what type of change is this?

Accepted Answer

Physical change

Answer

Chemical change

Answer

Irreversible change

Answer

Exothermic change

Question 39

Which of these changes is a physical change, where the substance changes its appearance but not its chemical makeup?

Accepted Answer

Melting ice

Answer

Burning paper

Answer

Rusting iron

Question 40

Scientists have a rule that says the total amount of matter in a chemical reaction never changes. What's the name of this rule?

Accepted Answer

Law of Conservation of Mass

Answer

Law of Matter

Answer

Law of Chemical Reactions

Answer

Law of Conservation of Energy

Question 41

What is an example of a chemical change, where a new substance is created?

Accepted Answer

Burning a candle

Answer

Melting ice cream

Answer

Boiling water

Answer

Freezing water

Question 42

Which of the following is NOT a physical change of matter?

Accepted Answer

Burning

Answer

Melting a chocolate bar

Answer

Changing sugar into smaller pieces

Answer

Changing ice into water

Question 43

When water becomes ice, it turns into a solid. This is an example of:

Accepted Answer

Physical change

Answer

Irreversible change

Answer

Chemical change

Answer

Reversible change

Question 44

Which of the following is a chemical change of matter?

Accepted Answer

Burning wood

Answer

Freezing water

Answer

Melting ice

Answer

Tearing paper

Question 45

When you light a match, it produces heat and light. This is an example of:

Accepted Answer

Chemical change

Answer

Irreversible change

Answer

Reversible change

Answer

Physical change

Question 46

Which of the following is an irreversible change?

Accepted Answer

Burning paper

Answer

Chopping wood

Answer

Dissolving sugar in water

Answer

Freezing water

Question 47

Which of the following is a mixture of two or more substances?

Accepted Answer

Saltwater

Answer

Iron

Answer

Oxygen

Answer

Sugar

Question 48

Which of the following is a pure substance?

Accepted Answer

Water

Answer

Air

Answer

Soil

Answer

Saltwater

Question 49

Which of the following is a physical property of matter?

Accepted Answer

Color

Answer

Acidity

Answer

Flammability