Lipids – the energy source of the cell Whiteboard exercise Play

Liquid-vapour equilibrium Student activity Play

Litres and cubic centimetres Student activity Play

Living things Slideshow Play

Load per unit area Animation Play

Lowering of activation energy Student activity Play

Lowering of activation energy Animation Play

Magnetic field Animation Play

Magnetic field transfer of energy Whiteboard exercise Play

Magnetic field transfer of energy Student activity Play

Main process Animation Play

Main uses of crude oil fractions Slideshow Play

Major sources of energy Slideshow Play

Mass Animation Play

Mass and weight of a body Student activity Play

Mass defect Student activity Play

Mass spectrum of neon Animation Play

Mass, energy and momentum Whiteboard presentation Play

Mass, energy and momentum Class activity Play

Maxwell–Boltzmann distribution curves Whiteboard exercise Play

Maxwell–Boltzmann distribution of molecular energies Whiteboard exercise Play

Maxwell–Boltzmann distribution of molecular energies Student activity Play

Mean bond enthalpies Class activity Play

Mean bond enthalpies Whiteboard presentation Play

Mean bond enthalpies and interactions between bonds Student activity Play