Curated OER
Building Straw Towers
Students apply their knowledge of technology to help them build. In this science and technology lesson, students build straw towers and investigate the strength and form of the structure. They analyze the best design the make the...
Curated OER
The Hand Drill: An Example of a Screw
Students examine how a screw works as an inclined plane and a hand drill works as a screw. In this physics activity, students complete two hands-on activities working with simple machines including screws and hand drills. This activity...