Activity 2: Building a propeller airplane (40 minutes)
  1. Teacher reintroduces the necessary equipment and tools to make the model of the airplane.
  2. Teacher distributes equipment and materials to groups, shows the lecture on how to mount the airplane model
  3. Each groups are required to build the model airplane according to the model
  4. As soon as they finished their model, each groups are required to think about how to make their airplanes model take off from the ground using the concepts learned from the class
Homework: Students are required to make a list of problems that prevent their aircraft model from flying