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
Gingerbread Cookies are a favorite Christmas cookie. Gather up the the ingredients and learn how to make this tasty Gingerbread Cookie recipe with Hazel and Mom. Bust out your cookie cutter and make this classic Christmas treat!





























