This is Part 3 of Teach Engineering's 4-part unit on the forces of flight. This lesson explores thrust, the force created by propellers, rockets, and jets.

This is Part 1 of Teach Engineering's 4-part unit for Grades 5-8 on the forces of flight. It explores lift and how it is produced by the special shape of an airplane wing.

This is Part 2 of Teach Engineering's 4-part unit for Grades 5-8 on the forces of flight. It explores the relationship between weight and gravity, and why weight is considered in the design of an aircraft.