Curated OER
Moh's Hardness Test
Young geologists utilize Moh's hardness scale to help them correctly sort and classify different types of rocks. This lesson has everything you need, including an excellent example of the Mohs' Hardness Test, to successfully implement...
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Make a Light Bulb
Could you reinvent the light bulb? Scholars tap into their inner Thomas Edisons to build a light bulb prototype out of a jar and some wires. They see how long the filament wire glows in the jar (batteries not included) to measure their...
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Building Begins with a Beam
A sturdy beam made of foam seems like an oxymoron. Scholars design a 48-inch beam that can hold a one-pound weight. The beam should be sturdy enough so it doesn't bend too much. If it does, the egg placed underneath the beam will break.