NASA - National Aeronautics and Space Administration

The information in this document was accurate as of the original publication date.

Audience: Educators
Grades: 2-4


In this activity, students will do the following:

--Observe how unequal pressure creates power.
--Explain that air power can help airplanes fly.
--Construct a working model of an air engine.

This activity challenges students to build and demonstrate a source of thrust found in some research aircraft -- the rocket engine. A straw represents the fuselage and a balloon represents the aircraft engine.

Air Engines [138KB PDF file]

This activity is part of the Aeronautics Educator Guide.