Divisors Whiteboard exercise Play

Doppler effect for different waves Student activity Play

Drawing four balls from the bowl Whiteboard exercise Play

Drawing three balls Animation Play

Drawing three balls from the bowl Whiteboard exercise Play

Early atomic theories Student activity Play

Early atomic theories Whiteboard exercise Play

Effect of number of gas particles on the pressure Animation Play

Egyptian notation Animation Play

Einstein's first postulate Whiteboard exercise Play

Einstein's postulates Student activity Play

Einstein's postulates Whiteboard exercise Play

Electrical resistance Whiteboard presentation Play

Electrical resistance Class activity Play

Electron configuration of an iron Animation Play

Electron shells and subshells Whiteboard exercise Play

Electron shells and subshells (2) Student activity Play

Electron spin. Pauli's exclusion principle Student activity Play

Elevator Animation Play

Emmanuel's and Lena's number Whiteboard exercise Play

Emmanuel's number Animation Play

Empirical formula Student activity Play

Encoding numbers Student activity Play

Energy transfer Student activity Play

Entropy Student activity Play