Physical and Chemical Properties and Changes

what is the definition of chemical change?

• any change that results in the formation of new chemical substances. 
• changing clothes
• matter cannot be created or destroyed, only change form
• changes affecting the form of a chemical substance, but not its chemical composition.

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

what is burning?

• physical change
• physical property
• chemical change
• chemical property

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

what happens when water freezes?

• ice is formed; chemical property
• cold water is formed; physical change
• ice is formed; physical change
• cold water is formed; chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Properties that can be observed without trying to change the identity of the substance.

• Physical
• Chemical

Which of the following properties is a physical property?

• magnetism
• reaction
• flammability
• combustion

Color, Odor, Density, and Shape are all what?

• Physical Changes
• Chemical Changes
• Physical Properties
• Chemical Properties

Is mold growing on cheese a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical