9781422280782

Text-Dependent Questions

1. What one simple fact is at the heart of hot air ballooning? 2. What do competitors drop to measure the accuracy of their flight? 3. How is the winner determined in most ballooning accuracy competitions?

Research Project

Investigate to determine how many different types of hot air balloons there are in terms of the material used to make them, the fuel used to heat them, or the types of gas used to fly them. List the major differences or advantages of each kind you find.

Educational Video

Scan here to see a hot air balloon takeoff.

11