Dmitri Mendeleev and the first periodic table Animation Play

Doppler effect Whiteboard presentation Play

Doppler effect Class activity Play

Doppler effect for different waves Whiteboard exercise Play

Doppler effect for different waves Student activity Play

Dot plot Student activity Play

Drawing conclusions Student activity Play

Drawing conclusions Whiteboard exercise Play

Effect of concentration – a microscopic view Student activity Play

Effectiveness Whiteboard exercise Play

Einstein's formula Animation Play

Einstein's formula Whiteboard exercise Play

Einstein's formula Student activity Play

Electromagnetic spectrum Animation Play

Electromagnetic waves Animation Play

Electron configuration and periodic trends of transition elements Class activity Play

Electron configuration and periodic trends of transition elements Whiteboard presentation Play

Electron configuration and the periodic table Student activity Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table Whiteboard exercise Play

Electron configuration and the periodic table (1) Student activity Play

Electron configuration and the periodic table (2) Student activity Play

Electron configuration of atoms Whiteboard presentation Play

Electron configuration of atoms Class activity Play