Curated OER
Exploring Ecosystems
Fourth graders investigate ecosystems. In this ecosystem lesson, 4th graders explore producers, consumers, and decomposers and study the interdependence of each.
Science Buddies
Science Buddies: Lichenometry: An Accessible Method for Dating Recent History
Geology and archeology are examples of historical sciences. Their practitioners rely on multiple methods for establishing dates and temporal sequences as they seek to construct a history from the available evidence. This project will...
Science Buddies
Science Buddies: What Makes a Dna Fingerprint Unique?
Do you like solving mysteries? In this experiment, you can find out how a DNA fingerprint can help you figure out whodunit. The answer might just be in the "sequence" of events.