Topics commonly taught around grade 3 · Ages 8–9 · about 7.5 hours
Measuring things, forces and magnets
UnitUnits, scales and metric conversions with everyday objects, then forces, magnets and patterns of motion.
around grade 3 → Thermodynamics and statistical physics
Physics
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Topics commonly taught around grade 5 · Ages 10–11 · about 15.5 hours
Forces, energy and sound you can see
UnitForces between two things, speed and motion graphs, energy transfers, sound and light, what repeated readings are for, gravity, and matter made of particles whose mass is conserved.
Take first: Measuring things, forces and magnets