OBJECTIVES: Students will learn about the differences between aircraft and spacecraft and in particular the differences in propulsion systems. Students will demonstrate the differences by building pin wheel airplanes and balloon rockets. An interactive activity quizzes students on thrust. NATIONAL SCIENCE STANDARDS: Forces and Motion, The Atmosphere MATH STANDARDS: Graphs ENGINEERING SKILLS: Application of Science Principles to Engineering; Construction; Basic Propulsion

LECTURE AND PREPARATION TIME: 15 minutes LESSON TIME: 45 minutes WORDS TO KNOW: atmosphere force gravity mass Newton's Third Law orbital velocity propeller propulsion