Physical & Chemical Changes

Flashcard maker : Daniel Thompson
Glass breaking
Physical change
Rusting bike
Chemical change
Melting butter for popcorn
Physical change
Spoiling food
Chemical change
Mixing lemonade powder into water
Physical change
Cutting grass
Physical change
Corroding metal
Chemical change
Bleaching your hair
Chemical change
The Statue of Liberty turning green
Chemical change
Fireworks exploding
Chemical change
Cooking or frying an egg
Chemical change
Freezing water for ice
Physical change
Burning leaves
Chemical change
Burning paper
Chemical change
How do you know if a physical or chemical change occurred ?
Ask yourself \”Did the composition change?\”
Baking a cake
Chemical change
Crushing a sugar cube
Physical change
Freezing chocolate-covered bananas
Physical change
Which change is: reversible?
A physical change.
Which change is: irreversible?
A chemical change .
Physical change
Physical change is a change in which the substance changes form but keeps its same chemical composition (reversible).
Chemical change
A chemical change is a change in which something new is formed (irreversible).
-color changes
-odor
-fizzing
-production of sound
-heat
Clues to a chemical change
What are clue words to a: physical change?
-breaking
-melting
-mixing
-cutting
-squeezing
-etc.
What are clue words to a: chemical change?
-rusting
-spoiling
-burning
-bleaching
-corroding
-exploding
-frying
-cooking

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