Physical and Chemical Changes

Changes in which one or more new substance is formed are called

• phases of matter

• chemical changes

• physical changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Changes that do not form a new substance and are reversible are

• phases

• physical changes

• chemical changes

Change in color, production of light, production of heat, and production of a gas are clues that a ___ change has occurred.

• chemical change

• physical change

• change in state of matter

Tags

NGSS.MS-PS1-2

Water changing from a solid to a liquid is a

• chemical change

• physical change

• change in the phase of matter

• both a physical change and a change in phase of matter

Tags

NGSS.MS-PS1-4

The formation of the compound molecule salt (NaCl) is a

• physical change

• chemical change

• change in state of matter

Tags

NGSS.MS-PS1-2

Physical changes are

• Non-reversible

• Reversible

Tags

NGSS.MS-PS1-4

Cutting wood is what type of change?

• Physical

• Chemical

Burning wood is what type of change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

Chewing food is what type of change?

• Physical

• Chemical

Rust is a form of oxidation. This is what type of change?

• Physcial

• Chemical

Tags

NGSS.MS-PS1-2