Interactive science experiments. Examples: Electric current, physics, math, etc.
Free online, downloadable science resources for elementary. Also has materials you can order for free.
Free streaming live shots of penguins! Three camera angles! Feeding times are 12:30am and 5:30pm.
The Kids' Science Challenge is a FREE nationwide competition for 3rd to 6th graders to submit experiments and problems for SCIENTISTS and ENGINEERS to solve. Play science games, watch videos, and enter to win awesome prizes and trips! "
Awesome game, very engaging and actually teaches about simple machines at the same time!