Chemical/Physical Changes

Definition: Physical changes are changes in __________ only, NO ___ _________ are created

Which is NOT an example of a physical change?

• Chocolate melting

• Water freezing

• Puddles evaporating

• Precipitates forming

Answer explanation

Phase changes (changing states of matter) are physical changes

Examples: List 3 real world examples of a physical change.

(Make sure to add them to the frayed model in your notebook)

Definition: Chemical changes ______ a NEW substance, changing the chemical _____

Tags

NGSS.MS-PS1-2

Examples: which is NOT an example of a chemical change?

• Food rotting

• Metal rusting

• Paper tearing

• Cakes baking

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Evidence: Select the pieces of evidence that show a chemical change occurred.

(Write them on page c11 in your journal)

• Unexpected color change

• Fizzing/bubbling

• Liquids evaporating

• Unexpected temperature changes

Tags

NGSS.MS-PS1-2