Physical vs Chemical Changes

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

• Burning wood

• Melting ice

• Rusting iron

• Baking a cake

What is a chemical change?

• A change that only affects the appearance of a substance

• A change that forms a new substance with different properties

• A change that can be easily reversed

• A change in the state of matter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which process is a chemical change?

• Freezing water

• Dissolving sugar in water

• Burning a candle

• Breaking glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following best describes a physical change?

• Iron rusting

• Water boiling

• Wood rotting

• Milk souring

Which of the following is NOT a chemical change?

• Digesting food

• Evaporating water

• Burning gasoline

• Baking bread

Tags

NGSS.MS-PS1-2

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

• Change in shape

• Change in color

• Change in size

• Change in state

Tags

NGSS.MS-PS1-2

Which of these is a physical change?

• Burning paper

• Melting butter

• Cooking an egg

• Rusting a nail

Tags

NGSS.MS-PS1-4

Which of the following is a chemical change?

• Cutting a piece of paper

• Dissolving salt in water

• Baking a cake

• Boiling water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a physical property that can change during a physical change?

• Color

• New substance formation

• Gas production

• Light emission

Which of the following is NOT evidence of a chemical change?

• Change in temperature

• Change in state

• Formation of a gas

• Formation of a precipitate

Tags

NGSS.MS-PS1-2