There are many organizations offering money to undergraduate and graduate students in science, mathematics, and other technical fields. This page has links to two searchable databases of awards.

Financial Aid Information Page
The Financial Aid Information Page is one of the best starting points for student financial aid information on the web. The search engine on this page can help you generate pseudo-alphabetical listings of scholarships and fellowships in various disciplines, including the sciences. Awards for both graduate and undergraduate students are included.

The HUB
The HUB provides a page of links to scholarship search sites.