PS.8.1.4 - Classifying Matter Changes

What is the definition of matter?

• A process where substances undergo a chemical reaction to form new substances.

• Anything that has mass and takes up space.

• A change in matter that alters its appearance or state without changing its chemical composition.

• A solid that forms and settles out of a liquid mixture.

Tags

NGSS.MS-PS1-5

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

• Rusting of iron

• Burning wood

• Melting ice

• Baking a cake

Identify the process: A solid turns directly into a gas.

• Condensation

• Sublimation

• Deposition

• Freezing

Which of the following indicates a chemical change?

• Change in size

• Change in shape

• Color change

• Change in state

Tags

NGSS.MS-PS1-2

What is the term for the starting substances in a chemical reaction?

• Products

• Reactants

• Precipitates

• Catalysts

Which of the following is a reversible change?

• Burning paper

• Rusting of iron

• Freezing water

• Baking bread

What happens during a decomposition reaction?

• Two or more substances combine to form a new compound.

• A compound breaks down into simpler substances.

• A substance reacts with oxygen, releasing energy.

• A solid forms and settles out of a liquid mixture.

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

• Density

• Melting point

• Flammability

• Boiling point

What is the law of conservation of mass?

• Matter is created during a chemical change.

• Matter is destroyed during a physical change.

• Matter is not created or destroyed during a physical or chemical change.

• Matter changes form during a chemical reaction.

Tags

NGSS.MS-PS1-5

Which process involves a transition from liquid to gas at a substance's boiling point?

• Freezing

• Boiling

• Condensation

• Sublimation

Tags

NGSS.MS-PS1-4