Curated OER
Hot Rocks
Learners demonstrate that setting of plaster and cement is a change, which involves a release of heat energy, use data collected experimentally to construct comparison graphs and analyze the graphs to make predictions about future...
University of Arizona
The Biology Project: Cell Membrane Tutorial
Great overview of cell membranes. The site presents the information as a tutorial with multiple choice questions to guide the learner. Very well designed site on cell membranes.
Science Buddies
Science Buddies: Project Ideas: How Much Water Is Absorbed by Dried Beans?
In this cooking and food science fair project, measure how the water content of dried beans changes with time. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by...