ERIC Digest, discussing assessment uses, instructional uses and a variety of other issues, provides extensive list of references.

Saskatchewan Department of Education provides background information on the necessity for, and value of, assessment in science. Also provides examples for authentic assessment.

Geared to the United Kingdom science curriculum, the publisher offers a description and ordering information on these products.

Sample tasks are provided for authentic assessment, along with rationale, teachers notes and equipment lists.

Offering a description of a range of techniques for science assessment, the site also contains links to further information.