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
Help this frog get to the top of screen while avoiding speeding cars, trucks, and water. Cross the highway and dodge the traffic. Jump from log to log to cross the river, or get some help from the shells of swimming turtles. You'll need to use quick reflexes and perfect timing to make get the frog to his final destination.
