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High school physics

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New high school physics course coming soon!

In July 2024, we're replacing this course with a brand new high school physics course aligned to NGSS! Get ready to explore physics, from the grand scale of stars and planets down to the subatomic world of charged particles, through all new videos and exercises.

Unit 1: One-dimensional motion

Physics foundations: One-dimensional motionDistance, displacement, and coordinate systems: One-dimensional motionAverage velocity and average speed: One-dimensional motion
Velocity and speed from graphs: One-dimensional motionAverage and instantaneous acceleration: One-dimensional motionMotion with constant acceleration: One-dimensional motionObjects in freefall: One-dimensional motion

Unit 2: Forces and Newton's laws of motion

Introduction to forces and free body diagrams: Forces and Newton's laws of motionNewton's first law: Mass and inertia: Forces and Newton's laws of motionNewton's second law: Forces and Newton's laws of motion
Newton's third law: Forces and Newton's laws of motion

Unit 3: Two-dimensional motion

Introduction to vectors and two-dimensional motion: Two-dimensional motionAnalyzing vectors using trigonometry: Two-dimensional motionGraphs of projectile motion: Two-dimensional motionHorizontally launched projectiles: Two-dimensional motion
Projectiles launched at an angle: Two-dimensional motionAngled forces: Two-dimensional motionInclined planes: Two-dimensional motionFriction: Two-dimensional motion

Unit 4: Uniform circular motion and gravitation

Uniform circular motion introduction: Uniform circular motion and gravitationCentripetal acceleration: Uniform circular motion and gravitationCentripetal forces: Uniform circular motion and gravitation
Newton's law of gravitation: Uniform circular motion and gravitation

Unit 5: Work and energy

Introduction to work: Work and energyKinetic energy: Work and energyWork-energy theorem: Work and energySpring potential energy and Hooke's law: Work and energy
Gravitational potential energy and conservative forces: Work and energyConservation of energy: Work and energyPower: Work and energyExplore simple machines: Work and energy

Unit 6: Linear momentum and collisions

Introduction to linear momentum and impulse: Linear momentum and collisionsElastic collisions and conservation of momentum: Linear momentum and collisionsInelastic collisions: Linear momentum and collisions
Center of mass and two-dimensional collisions: Linear momentum and collisions

Unit 7: Torque and angular momentum

Introduction to rotational motion: Torque and angular momentumAngular kinematics: Torque and angular momentumTorque and equilibrium: Torque and angular momentumRotational inertia and angular second law: Torque and angular momentum
Rotational kinetic energy: Torque and angular momentumAngular momentum and angular impulse: Torque and angular momentumConservation of angular momentum: Torque and angular momentumGravitational potential energy at large distances: Torque and angular momentum

Unit 8: Simple harmonic motion

Introduction to simple harmonic motion: Simple harmonic motionSimple harmonic motion in spring-mass systems: Simple harmonic motionSimple pendulums: Simple harmonic motion
Energy in simple harmonic oscillators: Simple harmonic motion

Unit 9: Waves

Introduction to waves: WavesWave characteristics: WavesStanding waves: Waves
Wave interference: Waves

Unit 10: Sound

Introduction to sound: SoundStanding sound waves: SoundBeats and interference of sound waves: Sound
Doppler effect: Sound

Unit 11: Static electricity

Electric charge: Static electricityConservation of charge: Static electricityCoulomb's law and electric force: Static electricity
Explore electrostatics: Static electricity

Unit 12: DC Circuits

Electric current, resistivity, and Ohm's law: DC CircuitsElectric power and DC circuits: DC CircuitsSeries and parallel resistors: DC Circuits
DC Ammeters and voltmeters: DC CircuitsDiscovery of resistors: DC CircuitsExplore electric motors: DC Circuits
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