Physical Science

Front

What is a mixture?

Back

A combination of 2 or more substances that can be easily separated.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as fireworks exploding.

Tags

NGSS.MS-PS1-2

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without changing its chemical composition.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

Which of the following is NOT a mixture: sand, salt, and rocks in a bucket; trail mix; water in a glass; rocks and sand in the ocean?

Back

Water in a glass is NOT a mixture.

Front

What is evaporation?

Back

A method of separating solutions by turning liquid into vapor.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is a solute?

Back

The substance that is dissolved in a solution.

Front

What is a solvent?

Back

The substance in which the solute is dissolved.

Front

What happens during rusting?

Back

Rusting is a chemical change where iron reacts with oxygen and moisture to form rust.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is hand separation?

Back

A method of separating mixtures by physically picking apart the components.