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A little dated, as I'm sure that the data is now skewed since the primaries are over, but still a good idea for showing calculating winners different ways.

Several lessons designed around the election, while it's a hot topic, all levels elementary, middle and high.

Creates a graphic of words based on several criteria, can be used to create a graphic of vocabulary from a chapter or a graphic of tags from a class delicious account. Not an end all site, but great way for students/teachers to present a list of topics in a unique way during a presentation. I can see using this to help create a word wall activity using the interactive whiteboard.

Great set of tools available online for free. I played with several and really like the ease of use, the nice conceptual nature of them (i.e. archimedi's bathtub is a great example of a graph that could be used to help students understand change).

An interesting collection of activities/demos. Well designed and planned. I like the fact that they have objectives but wish they were standards-based

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.