Grasp
From falling bodies to quantum fields

Physics

A structured, interactive path through the ideas that describe motion, matter, energy, fields, space, and time.

Learn the shared foundations first, then climb from classical mechanics to the frontiers of modern physics.

Courses
12
Lesson steps
81
Guided time
~7 h
The destination

What you will be able to do

Starting point: Comfort with school algebra; calculus is introduced conceptually when it becomes useful.

1

Translate physical situations into models, diagrams, units, and conservation laws.

2

Connect classical mechanics, waves, thermal physics, electromagnetism, and optics.

3

Build a principled first understanding of relativity, quantum, nuclear, and condensed-matter physics.

4

Read equations and visualizations critically, including their assumptions and limits.

Course path

One connected climb, not a topic dump.

The order is deliberate: later courses reuse the models, conservation laws, wave ideas, and mathematical language introduced earlier.

01
Foundations7 steps~34 min

Physics Foundations

Measurement, vectors, motion, forces, energy, and momentum—the language every later course assumes.

UnitsVectorsKinematicsForcesEnergyMomentum
Open course →
02
Core7 steps~38 min

Classical Mechanics

Newtonian, energy, rotational, oscillatory, and orbital mechanics as one connected framework.

Newton's lawsWork-energyRotationOscillationsGravityOrbits
Open course →
03
Core6 steps~32 min

Waves & Oscillations

From one oscillator to travelling waves, interference, resonance, sound, and Fourier thinking.

SHMWave equationSuperpositionResonanceSoundFourier analysis
Open course →
04
Core7 steps~36 min

Thermodynamics & Statistical Physics

Temperature, heat, work, entropy, engines, ensembles, and the microscopic meaning of irreversibility.

Ideal gasesFirst lawEntropyHeat enginesKinetic theoryStatistical mechanics
Open course →
05
Core7 steps~39 min

Electricity & Magnetism

Fields, potentials, circuits, magnetism, induction, and Maxwell's unification of light with electromagnetism.

Electric fieldsPotentialCircuitsMagnetismInductionMaxwell equations
Open course →
06
Core6 steps~30 min

Optics

Geometric rays, image formation, interference, diffraction, polarization, and optical instruments.

ReflectionRefractionLensesInterferenceDiffractionPolarization
Open course →
07
Advanced6 steps~34 min

Relativity

Spacetime, Lorentz transformations, relativistic energy, curved geometry, gravity, and cosmology.

Special relativitySpacetimeEnergy-momentumEquivalence principleCurved spacetimeCosmology
Open course →
08
Advanced7 steps~40 min

Quantum Physics

States, amplitudes, quantization, uncertainty, tunnelling, atoms, spin, and measurement.

WavefunctionsSchrödinger equationQuantizationUncertaintyTunnellingSpin
Open course →
09
Advanced7 steps~34 min

Nuclear & Particle Physics

Nuclear structure, radioactivity, reactions, fission, fusion, fundamental particles, and interactions.

NucleiBinding energyRadioactivityReactionsStandard ModelDetectors
Open course →
10
Advanced7 steps~36 min

Astrophysics & Cosmology

Reading starlight, stellar structure and evolution, compact objects, galaxies, and the expanding universe.

SpectraStellar structureH-R diagramCompact objectsGalaxiesCosmology
Open course →
11
Advanced7 steps~33 min

Mathematical Methods for Physics

Dimensional reasoning, calculus, differential equations, linear algebra, Fourier methods, probability, and approximation.

Dimensional analysisCalculusDifferential equationsLinear algebraFourier methodsProbability
Open course →
12
Advanced7 steps~35 min

Condensed Matter & Materials

Crystals, phonons, bands, semiconductors, magnetism, superconductivity, and emergent phases.

CrystalsPhononsBand theorySemiconductorsMagnetismSuperconductivity
Open course →
Templates linked to Physics

The teaching toolkit

These reusable templates are available to lessons in this subject. Course content supplies validated data; templates supply the interaction.

Chart (2D)

Understand → Analyze

Bar, line, area, scatter, or pie — the everyday vocabulary for showing quantitative patterns.

3D chart

Analyze → Evaluate

A rotatable view for a surface over two inputs or a genuine three-variable point cloud.

Quiz (MCQ)

Understand → Apply

Multiple-choice questions that check understanding and explain the answer — a checkpoint between ideas.

Monte Carlo

Analyze → Evaluate

Simulate an uncertain outcome across thousands of trials, then inspect its distribution and threshold probability.

Physics lab

Understand → Experiment

Equation-driven simulations for motion, fields, waves, heat, optics, relativity, quantum states, and more.