States of Matter: Interactive Quizzes for Year 6 Science

Question 1

Which property is characteristic of gases?

Accepted Answer

They can be compressed

Answer

They have a fixed shape

Answer

They have a fixed volume

Answer

They are unaffected by gravity

Question 2

What is a unique characteristic of gases?

Accepted Answer

They can be compressed and expand to fill their container.

Answer

They have a definite shape and volume.

Answer

They can flow easily.

Answer

They have a high density.

Question 3

Which of these is a liquid when it's not too hot or too cold?

Accepted Answer

Water

Answer

Ice

Answer

Steam

Answer

Iron

Question 4

What is a characteristic of a solid?

Accepted Answer

Has a fixed shape and volume

Answer

Can be easily compressed

Answer

Takes the shape of its container

Answer

Flows easily

Question 5

Which property do solids NOT possess?

Accepted Answer

Freely moving particles

Answer

Fixed shape

Answer

Tightly packed particles

Answer

Resistance to compression

Question 6

Which property is characteristic of gases?

Accepted Answer

Gases can be compressed easily.

Answer

Gases have a fixed volume.

Answer

Gases have a fixed shape.

Answer

Gases have a high density.

Question 7

When a balloon is filled with gas, what happens to the gas particles inside?

Accepted Answer

They move faster and spread out to fill the balloon.

Answer

They slow down and move closer together.

Answer

They stop moving and become like a liquid.

Answer

They form a solid shape inside the balloon.

Question 8

Which of these is a characteristic of gases?

Accepted Answer

They can move easily

Answer

They have a fixed shape

Answer

They are very dense

Answer

They cannot be compressed

Question 9

Which property is NOT characteristic of solids?

Accepted Answer

Ability to flow

Answer

Definite shape and volume

Answer

Resistance to compression

Answer

High density

Question 10

Which of these is NOT a property of solids?

Accepted Answer

Can be compressed easily

Answer

Definite shape

Answer

Definite volume

Answer

Particles are vibrating

Question 11

Liquids have a definite volume. What does this mean?

Accepted Answer

Liquids have a fixed amount of space they take up.

Answer

Liquids can change their shape to fit their container.

Answer

Liquids can be compressed easily.

Answer

Liquids have a specific mass.

Question 12

Which process involves a gas turning into a liquid?

Accepted Answer

Condensation

Answer

Melting

Answer

Freezing

Answer

Sublimation

Question 13

Which property is characteristic of gases?

Accepted Answer

Ability to be compressed

Answer

Fixed shape

Answer

Fixed volume

Answer

High density

Question 14

Which property is NOT characteristic of solids?

Accepted Answer

They can flow

Answer

They have a definite shape

Answer

They have a definite volume

Answer

They are hard and rigid

Question 15

Which property describes gases?

Accepted Answer

Gases can flow easily.

Answer

Gases have a definite shape.

Answer

Gases cannot be compressed.

Question 16

Which of these changes cannot be undone to get the original material back?

Accepted Answer

Paper burning

Answer

Water turning into ice

Answer

Sugar dissolving in water

Question 17

What is a property of liquids?

Accepted Answer

Liquids have a definite volume but not a definite shape

Answer

Liquids have a definite shape and volume

Answer

Liquids have neither a definite shape nor a definite volume

Answer

Liquids are easily compressed

Question 18

What happens when water transforms into ice?

Accepted Answer

Freezing

Answer

Melting

Answer

Evaporation

Answer

Condensation

Question 19

When a liquid turns into a solid, what happens to the particles?

Accepted Answer

They slow down and move closer together.

Answer

They speed up and spread out.

Answer

They change shape and become irregular.

Answer

They break apart and form new substances.

Question 20

Which unique property distinguishes solids from liquids and gases?

Accepted Answer

Solids have a fixed volume.

Answer

Solids can easily change their shape.

Answer

Solids have no definite shape.

Answer

Solids can flow and take the shape of their container.

Question 21

Which of the following is NOT a property of gases?

Accepted Answer

Gases have a definite shape.

Answer

Gases can be compressed.

Answer

Gases can flow.

Question 22

What happens when water vapour in the air touches a cold surface?

Accepted Answer

It turns into liquid water droplets.

Answer

It freezes into ice.

Answer

The air gets warmer.

Answer

The water vapour vanishes.

Question 23

Which change of state happens when the temperature goes down?

Accepted Answer

Freezing

Answer

Melting

Answer

Evaporation

Question 24

Which property of matter indicates the amount of space an object occupies?

Accepted Answer

Volume

Answer

Mass

Answer

Density

Answer

Temperature

Question 25

Imagine a box filled with gas molecules. How do these molecules move inside the box?

Accepted Answer

They move randomly, constantly changing direction and bumping into each other.

Answer

They move in straight lines, never changing direction.

Answer

They move in circles, always following the same path.

Question 26

What property of matter describes the amount of mass in a given volume?

Accepted Answer

Density

Answer

Volume

Answer

Mass

Answer

Weight

Question 27

Imagine a balloon filled with air. Which property of gases allows it to take the shape of the balloon?

Accepted Answer

Gases can flow and take the shape of their container.

Answer

Gases have a definite shape and volume.

Answer

Gases are incompressible.

Question 28

When an ice cube melts and becomes water, what happens to the tiny particles inside the ice?

Accepted Answer

They break apart and move around more.

Answer

They move closer together.

Answer

They change into a different type of particle.

Question 29

When a liquid turns into a gas, it evaporates. What happens to the particles in the liquid as it evaporates?

Accepted Answer

The particles move farther apart, becoming more spread out.

Answer

The particles move closer together, becoming more tightly packed.

Answer

The particles slow down and become less active.

Answer

The particles turn into tiny solids.

Question 30

Which property is shared by solids and liquids, but not by gases?

Accepted Answer

Definite shape and volume

Answer

Ability to flow

Answer

Low density

Question 31

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

Accepted Answer

Evaporation

Answer

Freezing

Answer

Melting

Answer

Condensation

Question 32

When a liquid changes to a gas, what happens to the space between its particles?

Accepted Answer

The space between the particles gets bigger.

Answer

The space between the particles gets smaller.

Answer

The space between the particles stays the same.

Question 33

When a metal object is heated, it gets bigger. This is called:

Accepted Answer

Thermal expansion

Answer

Thermal contraction

Answer

Thermal insulation

Question 34

A balloon filled with air is moved from a cool room to a warm room. What will happen to the balloon?

Accepted Answer

Expand

Answer

Shrink

Answer

Stay the same size

Question 35

When water freezes, what happens to the water molecules?

Accepted Answer

They slow down and become more organized.

Answer

They speed up and become more disorganized.

Answer

They change into a different type of molecule.

Answer

They disappear.

Question 36

What happens to the volume of a gas when pressure is applied to it?

Accepted Answer

The volume decreases.

Answer

The volume increases.

Answer

The volume stays the same.

Answer

The volume first increases and then decreases.

Question 37

Which of these is a liquid that we use in our daily lives?

Accepted Answer

Water in a bottle

Answer

A spoon made of metal

Answer

A piece of wood

Question 38

How does temperature influence the movement of molecules in a substance?

Accepted Answer

Higher temperatures lead to faster molecular movement.

Answer

Temperature has no impact on molecular speed.

Answer

Lower temperatures result in faster molecular movement.

Question 39

Which process involves a solid changing directly into a gas, skipping the liquid state?

Accepted Answer

Ice turning into vapor

Answer

Water turning into steam

Answer

Snow forming from water vapor

Answer

Dry ice dissolving in water

Question 40

Which statement accurately describes the difference in intermolecular forces between solids and liquids?

Accepted Answer

Solids have stronger intermolecular forces than liquids, giving them a definite shape.

Answer

Solids have weaker intermolecular forces than liquids, allowing them to flow easily.

Answer

Both solids and liquids have negligible intermolecular forces.

Answer

Solids have no intermolecular forces, while liquids have weak intermolecular forces.

Question 41

Which of these factors does NOT affect how quickly a liquid evaporates?

Accepted Answer

Humidity

Answer

Temperature

Answer

Surface area

Answer

Wind speed

Question 42

What are supercritical fluids, and what makes them special? Give two examples of how they are used in everyday life.

Accepted Answer

Supercritical fluids are unique substances that act like both liquids and gases simultaneously.

Accepted Answer

Supercritical fluids are used as an eco-friendly substitute for hazardous chemicals in certain industries.

Answer

Supercritical fluids can only be formed at extremely low temperatures.

Answer

Supercritical fluids are not very useful due to the challenges in their creation.

Question 43

Which of the following is a solid?

Accepted Answer

Ice in a freezer

Answer

Water in a lake

Answer

Air in a balloon

Answer

Steam from a kettle

Question 44

What happens when a solid melts?

Accepted Answer

It turns into a liquid

Answer

It turns into a gas

Answer

It turns into a plasma

Answer

Nothing happens

Question 45

Which of the following has the highest density?

Accepted Answer

Ice in a freezer

Answer

Air in a balloon

Answer

Water in a cup

Answer

Steam from a kettle

Question 46

What is the name of the energy that causes matter to change state?

Accepted Answer

Thermal energy

Answer

Chemical energy

Answer

Kinetic energy

Answer

Elastic potential energy

Question 47

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

Accepted Answer

Melting ice cubes

Answer

Burning a piece of paper

Answer

Rusting an iron nail

Answer

Cooking a pizza in the oven

Question 48

What happens to the particles in a substance when it changes from a solid to a liquid?

Accepted Answer

They move more quickly

Answer

They move more slowly

Answer

They become more ordered

Answer

They become less ordered

Question 49

Which of the following is a property of gases?

Accepted Answer

They can be easily compressed

Answer

They have a definite shape

Answer

They have a definite volume

Answer

They cannot be easily compressed

Question 50

What is the name of the process by which a gas changes into a liquid?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Deposition

Question 51

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

Accepted Answer

Thermometer

Answer

Barometer

Answer

Anemometer

Answer

Hydrometer

Question 52

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

Accepted Answer

Plasma

Answer

Solid

Answer

Liquid

Answer

Gas

Question 53

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

Accepted Answer

The particles move further apart and become less ordered.

Answer

The particles move closer together and become more ordered.

Answer

The particles stay the same distance apart and become more ordered.

Answer

The particles stay the same distance apart and become less ordered.

Question 54

Which of the following changes to matter is considered a physical change, where no new substances are formed?

Accepted Answer

Melting ice

Answer

Burning wood

Answer

Rusting iron

Answer

Digesting food

Question 55

In a solution, what is the difference between the solute and the solvent?

Accepted Answer

The solute is the substance that dissolves, while the solvent is the substance that does the dissolving.

Answer

The solvent is the substance that dissolves, while the solute is the substance that does the dissolving.

Answer

A solute and a solvent are the same thing.

Answer

A solute is a solid, while a solvent is a liquid.

Question 56

Which of the following is a chemical property of matter, describing how it reacts with other substances?

Accepted Answer

Flammability

Answer

Colour

Answer

Density

Answer

Melting point

Question 57

What is the fundamental difference between an element, which is a pure substance, and a compound, which is a combination of elements?

Accepted Answer

An element is a single type of atom, while a compound is made up of two or more different types of atoms.

Answer

A compound is a single type of atom, while an element is made up of two or more different types of atoms.

Answer

An element and a compound are the same thing.

Answer

An element is a solid, while a compound is a liquid.

Question 58

Which of the following methods is NOT used to separate mixtures based on different properties of their components?

Accepted Answer

Chemical reaction

Answer

Filtration

Answer

Distillation

Answer

Chromatography

Question 59

Which process involves water changing from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Freezing

Answer

Sublimation

Question 60

Which of the following is a characteristic of gases?

Accepted Answer

Gases can expand to fill their container.

Answer

Gases have a definite shape.

Answer

Gases have a definite volume.

Answer

Gases can be easily compressed.

Question 61

What happens to the energy of a substance when it changes from a liquid to a gas?

Accepted Answer

Energy is absorbed.

Answer

Energy is released.

Answer

Energy remains the same.

Answer

Energy is destroyed.

Question 62

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

Accepted Answer

Melting ice

Answer

Burning paper

Answer

Rusting iron

Answer

Cooking food

Question 63

What is the term for the process where a solid changes directly to a gas?

Accepted Answer

Sublimation

Answer

Melting

Answer

Evaporation

Answer

Condensation

Question 64

Which of the following would be considered a mixture?

Accepted Answer

Salt dissolved in water

Answer

Pure water

Answer

Oxygen

Answer

Gold