"The computer will randomly pick a term used in science. Discover the word the computer has picked by guessing which letters are in it. Each incorrect guess you make causes the atom man to decay. Solve the puzzle before the atom man completely decays!
Attention Teachers!! Add your own vocabulary words for your class to use!"
ECHO (Exploring and Collecting History Online) is a directory to 5,000+ websites concerning the history of science, technology, and industry. You can search it, browse it according to category, or even look at the tag cloud we've generated.
We played a variation of freeze tag where we changed the size of the playing field and the number of “freezers”. Students predicted and observed how the dynamics of the game changed as more freezers were added and the threshold needed to freeze everyone. They were quick to draw analogies to other areas of science.