Quiz about matter and its changes

Question 1

Which of the following is a characteristic of a solid?

Accepted Answer

Definite volume

Answer

No definite shape

Answer

Particles are far apart

Answer

Takes the shape of the container

Question 2

Which state of matter takes the shape of its container but has a definite volume?

Accepted Answer

<ul><li>Liquid</li></ul>

Answer

<ul><li>Solid</li></ul>

Answer

Answer

<ul><li>Plasma</li></ul>

Question 3

In which state of matter do particles move freely and spread out to fill the entire container?

Accepted Answer

Answer

<ul><li>Solid</li></ul>

Answer

<ul><li>Liquid</li></ul>

Answer

<ul><li>Plasma</li></ul>

Question 4

What happens to the particles in a solid when it is heated and becomes a liquid?

Accepted Answer

They move faster and spread apart

Answer

They stay in place

Answer

They become stationary

Answer

They move closer together

Question 5

Which of the following is an example of a compound?

Accepted Answer

<ul><li>Water</li></ul>

Answer

Answer

<ul><li>Oxygen</li></ul>

Answer

Question 6

What happens during evaporation?

Accepted Answer

A liquid turns into a gas

Answer

A gas turns into a liquid

Answer

A solid turns into a liquid

Answer

A gas turns into a solid

Question 7

Which process describes a solid turning directly into a gas?

Accepted Answer

Sublimation

Answer

<ul><li> Melting</li></ul>

Answer

<ul><li>Freezing</li></ul>

Answer

Condensation

Question 8

When a gas cools down and becomes a liquid, what is this process called?

Accepted Answer

Condensation

Answer

Evaporation

Answer

<ul><li>Melting</li></ul>

Answer

<ul><li>Freezing</li></ul>

Question 9

What is an example of a homogeneous mixture?

Accepted Answer

<ul><li>Saltwater</li></ul>

Answer

Fruit salad

Answer

Sand and water

Answer

Question 10

Which of the following is a sign of a chemical change?

Accepted Answer

A color change occurs

Answer

A solid turns into a liquid

Answer

The substance remains the same

Answer

The shape changes but the substance stays the same

Question 11

What is the term for a substance that cannot be broken down into simpler substances?

Accepted Answer

<ul><li>Element</li></ul>

Answer

<ul><li>Compound</li></ul>

Answer

<ul><li>Mixture</li></ul>

Answer

<ul><li>Solution</li></ul>

Question 12

What is an example of a physical change?

Accepted Answer

Ice melting

Answer

Wood burning

Answer

Iron rusting

Answer

Baking a cake

Question 13

Which of the following best describes a compound?

Accepted Answer

A substance made of two or more elements chemically bonded

Answer

A mixture of substances

Answer

A single element

Answer

A physical combination of two substances

Question 14

What is a characteristic of a heterogeneous mixture?

Accepted Answer

Its components can be easily distinguished

Answer

It has a uniform composition throughout

Answer

It cannot be separated by physical means

Answer

It is made of a single element

Question 15

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

Accepted Answer

<ul><li>Freezing</li></ul>

Answer

Evaporation

Answer

Condensation

Answer

<ul><li>Melting</li></ul>

Question 16

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

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Cutting paper

Answer

Breaking glass

Question 17

Which one is the correct statement?

Accepted Answer

Chemical changes produce new substances

Answer

Physical changes form new substances

Answer

Chemical changes only change the state of matter

Answer

Physical changes cannot be reversed

Question 18

What type of mixture is salt water?

Accepted Answer

Homogeneous mixture

Answer

<ul><li>Compound</li></ul>

Answer

Heterogeneous mixture

Answer

<ul><li>Element</li></ul>

Question 19

Which of the following is true about elements?

Accepted Answer

They are pure substances made of one type of atom

Answer

They are made of different types of atoms

Answer

They can be separated into simpler substances

Answer

They are always compounds

Question 20

What is an example of a mixture?

Accepted Answer

<ul><li>Saltwater</li></ul>

Answer

Carbon dioxide

Answer

<ul><li>Hydrogen</li></ul>

Answer

Question 21

Which state of matter has no definite shape or volume?

Accepted Answer

Answer

<ul><li> Solid</li></ul>

Answer

<ul><li>Liquid</li></ul>

Answer

<ul><li>Plasma</li></ul>

Question 22

What happens to particles during melting?

Accepted Answer

They break free from their fixed positions

Answer

They slow down and move closer together

Answer

They become tightly packed

Answer

They stop moving

Question 23

What is a precipitate in a chemical reaction?

Accepted Answer

A solid that forms from a solution during a reaction

Answer

A color change in the reaction

Answer

The formation of bubbles

Answer

A gas that is released during a reaction

Question 24

Which of the following shows that a chemical reaction has taken place?

Accepted Answer

A new substance with different properties forms

Answer

A liquid changes to a gas

Answer

Two substances mix but remain separate

Answer

A solid turns into a liquid without changing its identity

Question 25

How does a submarine control its ability to float or sink?

Accepted Answer

By adjusting the amount of water in its ballast tanks

Answer

By changing the speed of the submarine

Answer

By adjusting the amount of air in its engines

Answer

By changing the shape of the submarine

matter and its changes

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