Light phase and dark phase of photosynthesis Animation Play

Light phase and dark phase of photosynthesis Student activity Play

Light phase and dark phase of photosynthesis Whiteboard exercise Play

Lipids – the energy source of the cell Student activity Play

Liquefying of oxygen and nitrogen Illustration Play

Liquid-vapour equilibrium Illustration Play

Liquid-vapour equilibrium Student activity Play

Lone electron pairs affect the shape of the molecule Whiteboard exercise Play

Lone electron pairs affect the shape of the molecule Whiteboard exercise Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Lone electron pairs affect the shape of the molecule (2) Student activity Play

Low oxygen levels Student activity Play

Macromolecular crystals Student activity Play

Magnesium oxide Student activity Play

Magnesium oxide Animation Play

Main process Animation Play

Making steel Student activity Play

Making steel Whiteboard exercise Play

Mass spectra of diatomic elements Animation Play

Mass spectra of the elements Student activity Play

Mass spectrometer Animation Play

Matter Student activity Play

Matter Whiteboard exercise Play

Maxwell–Boltzmann distribution Animation Play

Maxwell–Boltzmann distribution curves Whiteboard exercise Play