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Lesson Plan
Curated OER

Gravity, Forces, and Inertia

For Teachers 7th - 9th
Pupils participate in assessments involving gravity, forces, and inertia. They select from a menu of options assessments they would like to complete including worksheets, drawing posters, watching videos, creating crossword puzzles, and...
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Lesson Plan
Curated OER

Looking into Eratosthenes' Radius of the Earth

For Teachers 9th - 12th
Students, in small groups, research Eratosthenes and his calculations of the Earth's radius. They write a summary of the person, the experiments and his calculations to determine how accurate Eratosthenes was in his estimations of the...