Book 22, Question 46
How Does a Balloon Rocket Use Stored Energy?
A blown-up balloon holds energy in the air inside it. Let it go, and it zooms around the room! Let's learn the secret. A balloon filled with more air flies farther.
Book 22, Question 46
A blown-up balloon holds energy in the air inside it. Let it go, and it zooms around the room! Let's learn the secret. A balloon filled with more air flies farther.