![Front page of the Exploring the Extreme Gravity Using Plumb Lines Activity](https://www.nasa.gov/wp-content/uploads/2009/09/edu_srch_ete_finding_the_center_of_gravity_using_plumb_lines.png?w=1024)
Audience
Educators
Grade Levels
Grades K-4
Subject
History, Physical Science, Flight, Forces and Motion
Type
Lesson Plans / Activities
The center of gravity is the average location where mass and weight are distributed throughout an object. In this activity, students use string and a paper clip weight as a plumb line to find the center of gravity of their paper model airplane. Students also learn about balance and stability.
Finding the Center of Gravity Using Plumb Lines [453KB PDF file]
This activity is part of the Exploring the Extreme Educator Guide.