Name
___________________________________________
Date _____________
Definitions
Physical
change: A change in the appearance, size, shape or state
of matter.
Matter:
The substance of which an item is composed.
Chemical
change: A complete change in matter that results in a
new substance that behaves in different ways than the original
substance.
Step
1: Place a balloon on your desk. Do not blow it up.
On the back of this worksheet, draw a picture of your balloon.
Be sure to color it.
Step
2: Blow up the balloon and pinch the opening shut.
Be sure to hold the balloon tightly in front of you. Now draw
a picture of your blown-up balloon on the back of this worksheet.
Question:
What changed about the balloon?
Question:
Is this a physical or chemical change? How do you know?
Step
3: Keep holding onto the balloon as you slowly let
the air out. Draw a picture of the deflated balloon.
Question:
How does the shape of the balloon in Step 3 compare to the way
it looked in Step 1 and 2?
