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Physics · 0–69 · 10 concepts

Elementary School Physics

Reasoning-first Elementary School physics: 10 concepts, each with a clear explanation, a fully worked example, and self-check questions.

Practice at this level — free

Matter

Properties of materialsStates of matter (solid, liquid, gas)

Forces & motion

Forces: pushes & pullsMotion & positionGravity (objects fall down)Magnets & magnetic force

Energy

Energy (motion, heat, light, sound)Heat & temperature (intro)

Waves

Light & shadowsSound & vibration