Curated OER
Determining the Age of Fossils
High schoolers examine the concept of radioactive dating. In this radioactive dating instructional activity, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
WATER CHEMISTRY
Students list reasons why water is important and investigate and graph the freezing points of different solutions.
Curated OER
Sustainability
Fifth graders investigate the concept of natural resources. They participate in a simulation project to see possible uses. They use the internet to study how Hacienda Verde is used as a model for others for sustainable coffee crops.