Cool Optical Illusions

Here are some interesting optical illusions:

• Optical Illusions

These really show us that is it our brain, as well as our eyes, that is needed to see!

Ball Launcher Challenge

This year, students, working in pairs, will participate in the Science Buddies Ball Launcher Challenge.

Here is a link to the introductory video:

• Ball Launcher Challenge

Arithmeic Practice

To hep practice for the Caribou Math Contest (and for math class in general), here is an arithmetic practice game that is simple, configurable (and at the time of this posting, ad-free):

• Arithmetic Game