Curated OER
Materials Engineering: Designing Walls
Students discover how the matierals in the earth can be used to make walls and buildings. They examine the Great Wall of China and its engineering. They complete the unit by creating their own wall from a design they drew.
Curated OER
Barnacles: Harder than Cement
Fourth graders watch the movements of the complex animal hidden inside the tiny barnacle shells. This lesson plan allows students to study the behavior, adaptation, and larval stage of the barnacle.