Physical Science

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape and no definite volume.

Front

What happens during a chemical change?

Back

Chemical changes create new substances that cannot be separated back into their original parts.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

How can you separate iron filings from sand?

Back

You can use a magnet to separate iron filings from sand.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and definite volume.

Front

What is evidence of a chemical change?

Back

Evidence of a chemical change includes the release of gas when substances are mixed.

Tags

NGSS.MS-PS1-2

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but no definite shape.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not create new substances, while chemical changes do.

Tags

NGSS.MS-PS1-2

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice.

Tags

NGSS.MS-PS1-4

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5