Which balloon has the most mass?

Questioning,Observing,and Measuring helps us come to a conclusion.

Knowing the correct questions to ask, gets you to the anwer quickly. Hugh needs to figure out he is a pelican by asking questions.

Austin needed to find out where he lived to quickly discover he was a kangaroo.

Zack has legs, lives on a farm and does not have feathers. He's a cow!