browse by subject
Lessons
Click on a title to view a lesson. Filter and sort your search using the forms at the left.
displaying 1 - 3 of 3 lessons
| title | description | rating | updated | author | |
|---|---|---|---|---|---|
| Stacked Ball Drop - Lessons in Conservation of Energy and Momentum |
Drop a stack of balls on the floor. By carefully choosing the relative masses of the balls, it is possible to send the top ball flying many times higher than the distance it fell. Analysis of the collision offers good lessons in relative motion and the conservation of... |
(83 votes) |
9-Jun-2016 | guy |
 |
| Pendulum Waves |
This lesson outlines the construction and operation of a pendulum wave machine that can be built from inexpensive materials in the classroom. Building the demonstration requires a fair amount of patience: construction only takes about 30 minutes, but adjustments and fine... |
(31 votes) |
7-Jan-2016 | guy |
 |
| Measuring the Density of Pennies |
This activity provides a detailed lesson in measurement and measurement errors, which can be adapted to many different age groups, starting with any group that knows a little bit of geometry (specifically, how to calculate the volume of a disk). The focus of the lesson is on... |
(40 votes) |
7-Jan-2016 | guy |
 |