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Physics · 70–139 · 13 concepts

Middle School Physics

Reasoning-first Middle School physics: 13 concepts, each with a clear explanation, a fully worked example, and self-check questions.

Practice at this level — free

Motion & forces

Speed, velocity & accelerationForces & Newton's laws (intro)Gravity & weightBalanced & unbalanced forcesSimple machines

Energy

Kinetic & potential energyEnergy transfer & conservationThermal energy & heat transfer

Waves

Wave properties (amplitude, wavelength, frequency)Sound wavesLight & the electromagnetic spectrum (intro)

Electricity & magnetism

Electricity & simple circuits (intro)Magnetism & electromagnetism (intro)