Weight and Mass
Description: Two of the key elements of physics, an object's weight and mass determine how it's affected by gravity.
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
Santa Claus has decided to take up a new hobby this winter - skateboarding! Help him jump over obstacles and collect stars along the way. Collect the letters in the correct order to spell Christmas vocabulary words.