Physical and Chemical Changes

Front

What is a sign that a chemical reaction has occurred?

Back

Formation of a gas.

Tags

NGSS.MS-PS1-2

Front

What is a chemical change?

Back

A change where one or more new substances are created.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

True or False: In a physical change, the makeup of matter is changed.

Back

False.

Front

Which of the following is NOT an example of a physical change: rust, melting ice, or boiling water?

Back

Rust.

Front

What does an increase in temperature indicate when two liquids are mixed?

Back

It indicates a chemical change.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

Give an example of a chemical change.

Back

Burning wood.

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 create new substances, while a chemical change does.

Tags

NGSS.MS-PS1-4

Front

What are some common signs of a chemical change?

Back

Color change, gas production, temperature change, and formation of a precipitate.

Tags

NGSS.MS-PS1-2

Front

Is dissolving sugar in water a physical or chemical change?

Back

Physical change.

Tags

NGSS.MS-PS1-2