Curated OER
Bridge Building
Young scholars explore bridges and how they are constructed. After reviewing materials on bridges, they work in groups to record their findings. They design and construct a bridge using K'NEX or straws and predict which bridge will hold...
Curated OER
The Hand Drill: An Example of a Screw
Learners examine how a screw works as an inclined plane and a hand drill works as a screw. In this physics lesson, students complete two hands-on activities working with simple machines including screws and hand drills. This lesson...