Lipids – the energy source of the cell Student activity Play

Liquid Animation Play

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

Lung structure Whiteboard exercise Play

Lung structure Student activity Play

Macromolecular crystals Student activity Play

Made and not made up of cells Slideshow Play

Mass of hex-2-ene Whiteboard exercise Play

Matter and its structure Slideshow Play

Mean bond enthalpies and interactions between bonds Student activity Play

Mean bond enthalpy Student activity Play

Mechanism of enzymatic reactions Student activity Play

Melting and boiling points (2) Student activity Play

Melting and boiling points of hydrocarbons Illustration Play

Melting and boiling points of sodium, magnesium and aluminium Animation Play

Metallic crystals Student activity Play

Methyl group Whiteboard exercise Play

Microscope structure Whiteboard exercise Play

Microscopic structure of a skeletal muscle Slideshow Play

Mitochondrion structure Animation Play

Mixing of atomic orbitals: sp hybridisation Student activity Play

Mixing of atomic orbitals: sp hybridisation Whiteboard exercise Play

Models of water molecules Whiteboard exercise Play

Modern theories of the structure of benzene Whiteboard exercise Play

Modern theories of the structure of benzene Student activity Play