Experiment library
Interactive physics experiments, ready for class.
Four free middle-school lessons are ready to present today. Browse the released mechanics and electricity topics; new subjects appear here only when they are classroom-ready.

Free10 min lesson
Middle schoolElectricity
Ohm's Law Lab
Close a single circuit, measure current, and test how voltage and resistance are related.
VoltageCurrentResistanceOhm's Law
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Included in Middle School Pack15 min lesson
Middle schoolElectricity
DC Circuits: Series & Parallel
Compare current, voltage, and power in three fixed DC circuit topologies.
Series CircuitsParallel CircuitsEquivalent ResistanceKirchhoff's Laws
View pack access