Physical and Chemical Changes

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties
• liquid properties
• real properties

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is the formation of the grand canyon a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-ESS2-2

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Odor

• Physical property
• Chemical property

Luster

• Physical property
• Chemical property

Flammability

• Physical property
• Chemical property

Tags

NGSS.MS-PS1-2

Using dye to change the color of a shirt green.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2