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Physics: Uncharted

CoursesPhysics

Physics

Why the ball curves, why brakes fade, why the spoon feels colder than the table. Motion, forces, energy, heat, waves, light, electricity, and gravity, explained through things you have already seen and can test tonight.

Easy to Intermediate
12 units
240 lessons

Follow the units in order, or explore any lesson that interests you.

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Course syllabus

12 units

1. How Things Move
Speed, distance-time graphs, changing motion, and measurements you can repeat tonight.
20 lessonsStart here
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2. Pushes and Pulls
Forces, inertia, friction, weight, and why moving things curve, slow, or stop.
20 lessons
3. Energy Everywhere
Energy forms, conservation, work, power, and the honest trades made by machines.
20 lessons
4. Matter and Density
Mass, volume, density, states of matter, and the numbers behind floating and sinking.
20 lessons
5. Pressure and Fluids
Force over area, pressure with depth, compressed gases, hydraulics, and air around you.
20 lessons
6. Heat and Temperature
Temperature, heat transfer, thermal materials, expansion, cooling, and phase change.
20 lessons
7. Waves and Sound
Wave anatomy, the wave equation, sound, echoes, pitch, and behavior at boundaries.
20 lessons
8. Light and Optics
Straight rays, reflection, refraction, lenses, color, scattering, and light travel time.
20 lessons
9. Electricity
Charge, complete loops, Ohm's law, series and parallel layouts, safety, power, and cost.
20 lessons
10. Magnetism and Electromagnetism
Poles, fields, electromagnets, motors, generators, and switchable magnetic machines.
20 lessons
11. Gravity at Scale
Universal attraction, free fall, orbit, tides, mass, and weight beyond Earth.
20 lessons
12. The Physics of an Ordinary Day
A morning-to-night synthesis of the physics already hiding in an ordinary day.
20 lessons

240 lessons across 12 units. Start with any published unit.