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

Audience: Educators & Students
Grades: 3-5


This lesson will help your students answer the question:
On Earth, how can I simulate the fluid shift felt by astronauts when they enter space?

In this lesson, students will
-- Gather data by measuring the circumference of the leg before and during the simulation.
-- Use data to explain the changes observed in the circumference of the leg.
-- Develop a conclusion based upon the results of this activity.
-- Compare individual results to class results to look for patterns.

Get a Leg Up Activity
>  For educators [525KB PDF file]
>  en español

>  For students [249KB PDF file]
>  en español


The Get a Leg Up Activity is the lesson that accompanies How Would Your Body Change in Space?, one of the topics in the 21st Century Explorer series.

All components are available on the 21st Century Explorer Web site  →.

Also in this series:
Those Who Have Come Before Me Activity
Food For Spaceflight Activity
Speed It Up Activity
Designing a Crew Exploration Vehicle Activity
What's Hidden Inside Activity
Moon Mining Activity
Let's Investigate Mars Activity
Cleaning Water Activity
Making Regolith Activity
Ray Shielding Activity
Cool Suits Activity