Curated OER
"Logs of Straw: Dendrochronology"
Students act as dendrochonologists working to reconstruct a 50 year climatic history. They make a personal timeline.
Cornell University
Bridge Building
Bridge the gaps in your knowledge of bridges. Individuals learn about bridge types by building models. The activity introduces beam bridges, arch bridges, truss bridges, and suspension bridges.
Curated OER
Investigation 6 - Soil Profile
Fourth graders study the components of soil. They observe the basic components of soil and relate the components to plant growth. They record color, texture, and kinds of materials on their profile log (light color, denser, grittier -...
Curated OER
Working Worms
Students study earthworms and their role in creating healthy soil for healthy food. In this earthworms and soil lesson, students complete an jug experiment to learn about the role of earthworms and healthy soil. Students read and discuss...
Curated OER
Animal Signs
Students discuss the many different types of animal signs that can be used to identify and track animals. They participate in an hands-on activity in which they examine tracks, trails, homes, territory markings, and even "scat" left by...
Curated OER
Animal Signs
Students discuss the many different types of animal signs that can be used to identify and track all types of animals. They examine tracks, trails, homes, territory markings, and even "scat" left by animals and attempt to identify the...
Curated OER
Worms in a Bottle
Students gain a better understanding of the worm and its role in the recycling of organic materials into simpler forms by constructing worm bottles and observing for 60 to 90 days.
Curated OER
Currents: Bad for Divers; Good for Corals
Students describe, compare, and contrast major forces that drive ocean currents. They discuss the general effects of topography on current velocity. They discuss how velocity affects the ability