Question

A balloon is filled with air. If the balloon is then left out in the sun and warms up, what do you expect to happen?

A. The balloon expands
B. The balloon contracts
C. The balloon stays the same size

Answer 1

Answer:

A: The balloon expands

Explanation:

Since the heat is absorbed by the balloon, the molecules inside will spread apart.  When this happens, the balloon will also expand as the molecules expand which therefore the balloon grows.