Henry Cavendish
Description: Henry Cavendish was the first scientist to test gravity in the laboratory. Thanks to the "Cavendish Experiment," we know how much Earth weighs!
Category: Janet's Planet
Note: This video streams on an HTML5 player. It runs on Chrome, Firefox, Opera, Safari or Internet Explorer 9 or higher. It is also optimized for iOS devices, including iPad, iPod, and iPhone.
Game Spotlight
Do you like eating cookies? Who wants to try some really yummy and very healthy cookies? These delicious cookies are made from oats and fantastic crunchy peanut butter and best part of all -- no baking needed!