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Impact Resistance Tester

The first page of the Impact Resistance Tester activity

Product Type: Lesson Plan/Activity
Audience: Educators, Informal Education
Grade Levels: 5-12
Publication Year: 1998
Product Number: EG-1998-03-012-HQ
Subjects: Physical Science


One of the hazards of spacewalking is the presence of small high-speed particles. These particles, called micrometeoroids, are usually smaller than a grain of sand, have a mass that is only a fraction of a gram, and can travel at speeds up to 80 kilometers per second. An astronaut struck by a micrometeoroid could be severely injured. As a consequence, spacesuits have to be constructed from materials that are resistant to impacts. Students will test the effects of impact on various materials. They will also calculate the velocity and kinetic energy of the impactor. The activity includes a list of materials and a diagram to build the test stand.

Impact Resistance Tester Activity [751KB PDF file]

This document is part of the Suited for Spacewalking Educator Guide.

Please note that on page 53 of the "Suited for Spacewalking Educator Guide,"
the mathematical equation t equals g divided into the square root of 2 times d should be t equals the square root of the quotient of 2d divided by g An updated
version of the guide will be posted as soon as it is available.

Page Last Updated: December 31st, 2014
Page Editor: Flint Wild