Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, such as frying an egg.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What happens to the mass of water when it freezes into ice?

Back

The mass of the ice is the same as the mass of the water.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Front

What is a physical change?

Back

A physical change is a change in the amount, size, or shape of matter without changing its chemical composition.

Front

Which tool is used to measure mass?

Back

A balance is used to measure the mass of an object.

Front

What is a mixture?

Back

A mixture is made up of 2 or more different things combined together.

Front

What is an example of a chemical change?

Back

Frying an egg is an example of a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not change the substance's chemical identity, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-4

Front

What happens to the shape of ice when it melts?

Back

When ice melts, it undergoes a physical change and takes the shape of its container.

Tags

NGSS.MS-PS1-4

Front

Can the mass of a substance change during a physical change?

Back

No, the mass of a substance remains the same during a physical change.

Tags

NGSS.MS-PS1-4

Front

What is an example of a physical change?

Back

Breaking a glass cup is an example of a physical change.