The relationship between work and distance Animation Play

The relative atomic mass Animation Play

The relative atomic mass and its units Whiteboard exercise Play

The relative mass of hydrogen molecule Whiteboard exercise Play

The Second Law of Thermodynamics Animation Play

The sources of energy Whiteboard exercise Play

The spectral lines in the atomic spectrum of hydrogen Animation Play

The stability of alkaline-earth-metal carbonates Simulation Play

The stability of alkaline-earth-metal carbonates Student activity Play

The stability of electron configuration Animation Play

The state equation Animation Play

The state of substances at room temperature Student activity Play

The states of substances at room temperature Whiteboard exercise Play

The structure and function of lipids Slideshow Play

The structure of alkanes Animation Play

The structure of alkanes (1) Student activity Play

The structure of alkanes (1) Whiteboard exercise Play

The structure of alkanes (2) Student activity Play

The structure of gases Animation Play

The structure of hydrocarbons Animation Play

The structure of hydrogen halides Animation Play

The structure of the periodic table – groups (1) Student activity Play

The structure of the water molecule Student activity Play

The structure of the water molecule Animation Play

The Sun as a light source Student activity Play