The Doppler effect and the formation of a shock wave Student activity Play

The Doppler effect and the formation of a shock wave Simulation Play

The Doppler effect and the formation of a shock wave Whiteboard exercise Play

The Doppler effect in the animal world Whiteboard exercise Play

The Doppler effect in the animal world Student activity Play

The Earth's escape velocity Illustration Play

The Earth's escape velocity Student activity Play

The Earth's escape velocity Whiteboard exercise Play

The equilibrium of the moments of the forces Animation Play

The escape velocity Animation Play

The escape velocity of a spaceship Whiteboard exercise Play

The First and the Third Law of Motion Class activity Play

The First and the Third Law of Motion Whiteboard presentation Play

The force exerted by a single gas molecule against the walls of a vessel Student activity Play

The force exerted by a single gas molecule against the walls of a vessel Animation Play

The force exerted by a single gas molecule against the walls of a vessel Simulation Play

The force of reaction Whiteboard presentation Play

The force of reaction Class activity Play

The frequency of the perceived wave Animation Play

The frequency of the wave perceived by the observer Animation Play

The graphs of the derivatives Student activity Play

The highest speed Whiteboard exercise Play

The identification of rays Student activity Play

The interaction between radiation and matter Student activity Play

The internal energy of a gas Student activity Play