Product Type: Lesson Plan/Activity
Audience: Educators, Informal Education
Grade Levels: 2-4
Publication Year: 2002
Product Number: EG-2002-06-105-HQ
Subjects: History, Physical Science
Students blow through a hole made in a paper bag mask and over the curved surface of the "tongue." Unequal air pressure will cause the tongue to lift. This action provides an example of Bernoulli's principle.
Paper Bag Mask [179KB PDF file]
This activity is part of the Aeronautics Educator Guide.