Source for copying & pasting super&subscript Unicode characters so they look like exponents. Useful for headings.
The craziest. They should be ded.
A great set of resources and tips for using Wikipedia with your courses.
An activity that requires students to attempt to build a boat with the best Cost / Weight ratio in a limited amount of time. Nice introduction to modeling and classroom culture.
Turns out there's a lot of energy stored in that little thing.
Energy & rotational motion lab using hot wheels cars and tracks.
For one thing: yes, schools should "belong to the community," precisely because such neighborhoods--or collectivities of neighborhoods--must be strengthened if democracy is to survive. Since I also believe that institutions are best governed by those with the closest "self-interest," schools need to be organized to privilege the staff, the families. and the students directly involved. Small, self-governing community-based schools, well and equally funded by the state and federal government seem wisest to me at this time in our history.
Why wikipedia ain't that bad.
Fun diagram. Fits in well with accountable talk & whiteboard meetings.