World4u((top)) Free Hot May 2026
Home
Lessons
1 Foundations
>
1.1 Dimensions and units
1.2 Mathematic skills
1.3 Graphing
1.4 Vectors
1.5 Vectors in 3D
2 Mechanics
>
2.1 Kinematics 1D
>
2.1.1 Kinematics Intro
2.1.2 Acceleration
2.1.3 Graphing Motion
2.1.4 Equations of Motion
2.2 Kinematics 2D
>
2.2.1 Relative Motion
2.2.2 Projectile Motion
2.3 Forces
>
2.3.1 Newton's Laws
2.3.2 forces in equilibrium
2.3.3 Normal
2.3.4 Friction
2.3.5 Forces and Pulleys
2.4 Momentum and Energy
>
2.4.1 Momentum
2.4.2 Energy
2.5 Rotational Mechanics
>
2.5.1 Circular Motion
2.5.2 Angular Velocity
2.5.3 Circular applications
2.5.4 Moment of Inertia
2.5.5 Torque
2.6 Gravity
>
2.6.1 Gravitation
2.6.2 Orbital Motion
2.6.3 Kepler's Laws
2.6.4 Gravitation and Energy
3 Waves and Optics
>
3.1 Wave Phenomena
>
3.1.1 Wave Types
3.1.2 Superposition
3.1.3 Interference
3.1.4 Inverse Square Law
3.1.5 Modulation
3.2 Sound
>
3.2.1 Beats
3.2.2 Doppler
3.2.3 Resonance
3.2.4 Standing Waves
3.3 Physical Optics
>
3.3.1 Light - a history
3.3.2 Double Slit Diffraction
3.3.3 Light - its speed
3.3.4 Light as EMR
3.3.5 Polarisation
3.3.6 Spectroscopy
3.3.7 Scattering
3.4 Geometric Optics
>
3.4.1 Reflection
3.4.2 Refraction
3.4.3 Lenses and Images
3.4.4 Dispersion
4 Thermodynamics
>
4.1 Heat and Temperature
4.2 Specific Heat Capacity
4.3 Latent Heat
4.4 Blackbody Radiation
5 Electricity and Magnetism
>
5.1 Electrostatics
>
5.1.1 Charge
5.1.2 Coulomb's Law
5.1.3 Electric Field
5.1.4 Voltage
5.2 Circuits
>
5.2.1 Ohm's Law
5.2.2 Series and Parallel Circuits
5.2.3 Electrical Power
5.3 Electromagnetism
>
5.3.1 Moving Charges in Electric Fields
5.3.2 Ampere's Law
5.3.3 Charge in Magnetic Fields
5.3.4 Motor Effect
5.3.5 DC Motor
5.4 Electromagnetic Induction
>
5.4.1 Magnetic Flux
5.4.2 Faraday's Law
5.4.3 Lenz' Law
5.4.4 Back EMF
5.4.5 Generators
5.4.6 Transformers
5.4.7 Induction Motors
6 Modern Physics
>
6.1 Relativity
>
6.1.1 Michelson Morley Experiment
6.1.2 Special Relativity
6.1.3 Special Relativity Evidence
6.2 Atomic Physics
>
6.2.1 JJ Thomson and the electron
6.2.2 Millikan
6.2.3 Rutherford
6.2.4 Chadwick
6.3 Radioactivity
>
6.3.1 What is Radioactivity
6.3.2 Half Life
6.3.3 Binding Energy
6.3.4 Strong Nuclear Force
6.3.5 Fission
6.3.6 Fusion
6.4 Quantum Physics
>
6.4.1 Planck and the Blackbody
6.4.2 Photoelectric Effect
6.4.3 Bohr Model
6.4.4 de Broglie and Matter Waves
6.4.5 Compton Effect
6.4.6 Schrödinger Equation
6.4.7 Heisenberg
6.4.8 Lasers
6.4 Particle Physics
6.5 Solid State Physics
7 Astrophysics
>
7.1 Olber's Paradox
7.2 Stellar Spectroscopy
7.3 Determining Stellar Distances
7.4 Star Magnitude
7.5 Star Temperature
7..6 HR Diagram
8 Medical Physics
>
8.1 Ultrasound
8.2 X-ray
8.3 PET scans
8.4 MRI
curriculum specific
NSW
>
NSW curriculum
>
Year 11
Year 12
HSC question per Module
HSC Exam review
>
Downloads/notes
QLD curriculum
IB curriculum
SAT curriculum
AP Physics 1&2 curriculum
Resources
Review videos
Shorts
Formula Sheet
tools
>
Calculator
Oscilloscope
data sheet
for students
>
recommended physics sites
Review and Tips
for teachers
Blogs
>
Podcasts
PhysicsHigh blog
About
>
Who am I
FAQ
Fun
Contact