Question

10. Juan wants to see how air expands when it is heated. He is able to use any of the following supplies - a balloon, a heat lamp, a spring scale, and a meter stick. Which is the best procedure to follow for the experiment?

A. Measure the weight of the deflated balloon, inflate the balloon, heat the balloon with the heat lamp, then measure the inflated balloon's width.
B. Inflate the balloon, measure the width of the balloon, heat the balloon using the heat lamp, and then measure the width again.
C. Use the spring scale to measure the weight of the balloon before and after it is blown up.

Answer 1

When designing an experiment, always keep in mind the question that needs to be answered.

In Juan's case, he wants to see how air expands when heated. Therefore, he will need to inflate the balloon, measure the width of the balloon, heat the balloon using the heat lamp, and then measure the width again.

Step-by-step explanation:

Answer 2

Inflate the balloon, measure the width of the balloon, heat the balloon using the heat lamp, and then measure the width again.