Matter and Its Properties: Interactive Quizzes for Sixth Grade Science

Question 1

A change in matter that can be undone is called a:

Accepted Answer

Physical change

Answer

Chemical change

Answer

Nuclear change

Answer

Permanent change

Question 2

The mass of an object:

Accepted Answer

Is a measure of the amount of matter it contains

Answer

Changes depending on its location

Answer

Changes depending on its size

Answer

Can be negative

Question 3

Which of the following is a compound?

Accepted Answer

Water

Answer

Iron

Answer

Oxygen

Answer

Carbon

Question 4

A mixture where the components keep their individual properties is called a:

Accepted Answer

Heterogeneous mixture

Answer

Homogeneous mixture

Answer

Compound

Answer

Solution

Question 5

Which of the following materials is a good conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Styrofoam

Question 6

The transfer of heat through direct contact is called:

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Evaporation

Question 7

Which property of matter describes how well it flows?

Accepted Answer

Fluidity

Answer

Hardness

Answer

Shape

Answer

Mass

Question 8

Which of the following processes separates a liquid mixture based on the different boiling points of the liquids?

Accepted Answer

Distillation

Answer

Filtration

Answer

Chromatography

Answer

Extraction

Question 9

The energy needed to change the state of a substance without changing its temperature is known as:

Accepted Answer

Latent heat

Answer

Chemical energy

Answer

Electrical energy

Answer

Thermal energy

Question 10

Which of the following is a nonrenewable energy source?

Accepted Answer

Coal

Answer

Wind energy

Answer

Solar energy

Answer

Natural gas

Question 11

What kind of change happens when a completely new substance is made?

Accepted Answer

Chemical change

Answer

Physical change

Answer

Phase change

Answer

Nuclear change

Question 12

Out of the following, which is not a state of matter?

Accepted Answer

Light

Answer

Solid

Answer

Liquid

Answer

Gas

Question 13

When a solid changes into a liquid, what happens to the particles of the substance?

Accepted Answer

They start moving faster and spread apart.

Answer

They start moving slower and come closer together.

Answer

They change size and shape.

Answer

They vanish.

Question 14

Which of these is a physical property of matter?

Accepted Answer

Density

Answer

Can burn easily

Answer

Can react with other substances

Answer

Tastes sour

Question 15

What is the process called when a solid directly turns into a gas?

Accepted Answer

Sublimation

Answer

Melting

Answer

Vaporization

Answer

Condensation

Question 16

Which of these substances has the highest density?

Accepted Answer

Iron

Answer

Water

Answer

Air

Answer

Styrofoam

Question 17

What happens to the volume of a substance when its temperature increases?

Accepted Answer

It gets bigger.

Answer

It gets smaller.

Answer

It stays the same.

Answer

It becomes negative.

Question 18

In the US, which unit do we use to measure mass?

Accepted Answer

Pound

Answer

Gram

Answer

Kilogram

Answer

Ounce

Question 19

What happens to the particles of a substance when its temperature decreases?

Accepted Answer

They move slower and come closer together.

Answer

They move faster and spread apart.

Answer

They change size and shape.

Answer

They vanish.

Question 20

Which of the following is not a state of matter?

Accepted Answer

Energy

Answer

Solid

Answer

Liquid

Answer

Gas

Question 21

Matter can be classified into two main categories. What are these categories?

Accepted Answer

Substance and mixture

Answer

Organic and inorganic

Answer

Natural and synthetic

Answer

Acid and base

Question 22

Water is a liquid at room temperature. What will happen to water when it is heated to 100 degrees Celsius?

Accepted Answer

It will boil

Answer

It will freeze

Answer

It will evaporate

Answer

It will change color

Question 23

Which of the following processes involves changing a liquid to a gas?

Accepted Answer

Evaporation

Answer

Melting

Answer

Condensation

Answer

Freezing

Question 24

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

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Dissolving salt in water

Answer

Freezing water

Question 25

Which of the following is a property of solids?

Accepted Answer

Fixed shape and volume

Answer

Indefinite shape and volume

Answer

Variable shape and volume

Answer

No definite shape or volume

Question 26

What happens to the particles of matter when it changes from a solid to a liquid?

Accepted Answer

The particles move faster and become more spread out

Answer

The particles move slower and become closer together

Answer

The particles change shape

Answer

The number of particles changes

Question 27

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

Accepted Answer

Iron rusting

Answer

Water freezing into ice

Answer

Sugar dissolving in water

Question 28

Which of the following is NOT a state of matter found in everyday life?

Accepted Answer

Plasma

Answer

Solid

Answer

Liquid

Answer

Gas

Question 29

Which property describes the ability of a material to be hammered into thin sheets?

Accepted Answer

Malleability

Answer

Brittleness

Answer

Density

Answer

Solubility

Question 30

A substance that can disappear when mixed with water is called:

Accepted Answer

Soluble

Answer

Conductive

Answer

Magnetic

Answer

Insoluble

Question 31

A combination of sand and salt represents what type of mixture?

Accepted Answer

Heterogeneous mixture

Answer

Solution

Answer

Suspension

Answer

Homogeneous mixture

Question 32

What force is responsible for holding atoms together to form a molecule?

Accepted Answer

Covalent bond

Answer

Gravitational force

Answer

Magnetic force

Answer

Ionic bond

Question 33

According to the Law of Conservation of Mass, what happens to mass during a chemical reaction?

Accepted Answer

It can neither be created nor destroyed

Answer

It decreases

Answer

It increases

Answer

It can be converted into energy

Question 34

Density is calculated by dividing an object's:

Accepted Answer

Mass by its volume

Answer

Volume by its weight

Answer

Weight by its volume

Answer

Mass by its weight

Question 35

Which of the following is the standard unit of mass in the International System of Units (SI)?

Accepted Answer

Kilogram

Answer

Gram

Answer

Pound

Answer

Ounce

Question 36

Which of the following is the process where a substance changes directly from a solid to a gas without becoming a liquid?

Accepted Answer

Sublimation

Answer

Melting

Answer

Evaporation

Answer

Condensation

Question 37

You have two objects with the same mass. One object has a larger volume than the other. Which object will have a lower density?

Accepted Answer

The object with the larger volume

Answer

The object with the smaller volume

Answer

Both objects will have the same density

Answer

There is not enough information to determine

Question 38

Which of the following is NOT a state of matter commonly found on Earth?

Accepted Answer

Plasma

Answer

Solid

Answer

Liquid

Answer

Gas

Question 39

Which of the following is considered a physical change?

Accepted Answer

Mixing salt and water

Answer

Burning wood

Answer

Rusting metal

Answer

Baking a cake

Question 40

The particles in a gas are:

Accepted Answer

Far apart and moving randomly

Answer

Closely packed together and vibrating

Question 41

Which of the following materials is a good conductor of electricity?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 42

Which of the following is NOT a mixture?

Accepted Answer

Pure silver

Answer

Air

Answer

Salt water

Answer

Salad

Question 43

What is the process called when a liquid turns into a solid?

Accepted Answer

Freezing

Answer

Melting

Answer

Evaporation

Answer

Condensation

Question 44

Which of the following is an example of a heterogeneous mixture?

Accepted Answer

Oil and water

Answer

Sugar water

Answer

Salt water

Answer

Air

Question 45

Which characteristic is NOT a property of matter?

Accepted Answer

Happiness

Answer

Mass

Answer

Volume

Answer

Density

Question 46

Which state of matter has a fixed shape and volume?

Accepted Answer

Solid

Answer

Liquid

Answer

Gas

Answer

Plasma

Question 47

When a solid changes directly into a gas, the process is called:

Accepted Answer

Sublimation

Answer

Evaporation

Answer

Condensation

Answer

Melting

Question 48

Which of these is an example of a physical change?

Accepted Answer

Melting ice

Answer

Burning wood

Answer

Rusting iron

Answer

Digesting food

Question 49

For a given substance, how are mass and volume related?

Accepted Answer

Mass and volume are directly proportional.

Answer

Mass and volume are inversely proportional.

Answer

Mass and volume are not related.

Answer

The relationship depends on the temperature.

Question 50

Which of the following substances is the most dense?

Accepted Answer

Gold

Answer

Water

Answer

Air

Answer

Styrofoam

Question 51

When a gas cools down and turns into a liquid, the process is:

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Melting

Question 52

Which of these is a mixture?

Accepted Answer

Salt water

Answer

Pure gold

Answer

Sugar

Answer

Carbon dioxide

Question 53

When a liquid transforms into a solid, the process is called:

Accepted Answer

Freezing

Answer

Evaporation

Answer

Condensation

Answer

Sublimation

Question 54

How do the properties of a compound differ from the properties of the elements that form it?

Accepted Answer

Compounds have properties that differ from the properties of their constituent elements due to chemical bonding.

Answer

Compounds have identical properties to their constituent elements.

Answer

Compounds have properties that are an average of the properties of their constituent elements.

Answer

Compounds always have properties that are more extreme than the properties of their constituent elements.

Question 55

Which property of matter describes its ability to change its shape and flow?

Accepted Answer

Fluidity

Answer

Mass

Answer

Volume

Answer

Density

Question 56

An element is a substance that cannot be broken down into simpler substances by chemical reactions. Which of the following is an element?

Accepted Answer

Element

Answer

Atom

Answer

Molecule

Answer

Compound

Question 57

Which of the following correctly describes the relationship between mass and inertia?

Accepted Answer

Mass and inertia are directly proportional.

Answer

Mass and inertia are inversely proportional.

Answer

Mass and inertia are unrelated.

Answer

Inertia is dependent on mass, but mass is not dependent on inertia.

Question 58

Which of the following substances is most dense?

Accepted Answer

Iron

Answer

Water

Answer

Cotton

Answer

Air

Question 59

The process by which a gas directly transforms into a solid is known as:

Accepted Answer

Deposition

Answer

Evaporation

Answer

Condensation

Answer

Sublimation

Question 60

Which of the following is an example of a mixture?

Accepted Answer

Salt dissolved in water

Answer

Pure water

Answer

Carbon dioxide gas

Answer

Aluminum foil

Question 61

What is the SI unit for measuring temperature?

Accepted Answer

Kelvin

Answer

Degree Celsius

Answer

Degree Fahrenheit

Answer

Rankine

Question 62

Which material below can conduct electricity?

Accepted Answer

Copper

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 63

Which property of matter describes its ability to transfer heat?

Accepted Answer

Thermal conductivity

Answer

Density

Answer

Solubility

Answer

Boiling point

Question 64

Which of the following is a physical change?

Accepted Answer

Melting ice

Answer

Burning wood

Answer

Rusting iron

Answer

Digesting food