Welcome to the AAAS Project 2061 Science Assessment Website

The assessment items on this website are the result of more than a decade of research and development by Project 2061, a long-term science education reform initiative of the American Association for the Advancement of Science.

Here you will find free access to more than 1000 items. The items:

This website also includes:

Intended primarily for teachers, these assessment items and resources will also be useful to education researchers, test developers, and anyone who is interested in the performance of middle and high school students in science.

View key ideas, items, and misconceptions for the original project and two special projects by browsing the topics.