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Lesson Plan
Curated OER

Evidence Revealing the Composition of the Atom

For Teachers 9th - 12th
Investigators use indirect evidence to guess what is occupying a sealed box. You could also use a set of plastic Easter eggs to encase the unknown items. Another terrific activity involves having students drop a pencil on a sheet of...
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Lesson Plan
Curated OER

Indirectly Direct

For Teachers 4th - 8th
Students use prior knowledge of angle and lines as they conduct an experiment with a rolling marble to determine the shape of a mystery object located under a metal pie tin.
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Lesson Plan
Curated OER

Models of Chemical Families

For Teachers 5th - 9th
A simple activity for introductory chemistry classes is thoroughly explained in this lesson plan. Each individual receives a sealed box containing an unknown object. Inquisitors use indirect evidence to draw conclusions. This activity is...