Physical and Chemical Changes of Matter

Front

Chemical changes are usually irreversible.

Back

True

Tags

112.27.b.6.C

Front

In a ______ change, the matter changes form, but nothing new is created.

Back

Physical

Tags

112.27.b.6.C

Front

How can you tell a chemical change has occurred?

Back

When energy is given off or absorbed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

Clues to CHEMICAL change

Back

Color change, temperature change, sound production, gas production, odor production, precipitate

Tags

NGSS.MS-PS1-2

Front

In a physical change, does a substance have the same chemical composition?

Back

Both before and after the change

Tags

NGSS.MS-PS1-4

Front

A change in an object's odor is an example of what type of change?

Back

Chemical change

Tags

NGSS.MS-PS1-2