Katie blows up a balloon and ties it so there is a fixed amount of air in the balloon. She wraps a piece of string around the widest part of the balloon, and measures it to find the size of the balloon. She has access to:
-A freezer
-A warm cupboard
-A cold refrigerator
-A normal temperature classroom
Write a plan to collect results to answer the question:
How does the temperature affect the size of a blown up balloon?
