1. What did the Wright Brothers do to learn how to make an airplane that can fly?
a. They watched other people make planes.
b. They asked Albert Einstein about how an airplane worked.
c. They looked it up in the encyclopedia.
2. How many countries did the Ford Motor Company serve?
3. What is the Transglide 2000?
Who founded the Ford Motor Company?
What is important for an airplane to fly?
a. the materials it is made out of