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In this activity, learners (at least three) work together to explore the effects of atmospheric pressure. A learner (at least 100 lbs) will step inside an extra large trash bag, while another reduces the air pressure in the bag slightly with a vacuum cleaner. The bag will squeeze the occupant due to the differences in external and internal pressure.
- Under 5 minutes
- 10 to 30 minutes
- 1 cent - $1 per group of students
- Ages 14 - 18
- Activity
- English
Quick Guide
Materials List (per group of students)
- Extra large, heavy duty garbage bag (55 gallon size)
- Industrial strength vacuum cleaner (10 to 12 amp) with hose
Subjects
-
Earth and Space Science
-
Earth Structure
- Atmosphere
-
Earth Structure
-
Life Sciences
- Human Body
-
Physical Sciences
- Motion and Forces
-
States of Matter
- Gases
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- be mobile
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Involves hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
- Muller, Eric
Rights:
- All rights reserved, Exploratorium, 1998