The Eisenhower National Clearinghouse (ENC) site links math and science teachers to useful classroom resources. A page called Digital Dozen (apparently a digital baker's) features 13 outstanding sites each month. January's sites included Geologylink (, where students can take virtual field trips to a volcano in Indonesia or a copper mine in Peru; Sea and Sky (, where students can learn about sharks or design an online fishtank; and InvestSmart, a site developed by students to teach investment basics using a stock market simulation.

The ENC site also links


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