Infrared Whiteboard exercise Play

Infrared Student activity Play

Infrared radiation Student activity Play

Investigating the properties of liquids Student activity Play

Investigating the reaction of a metal and a non-metal with dilute acid Simulation Play

Investigating the reaction of a metal and a non-metal with dilute acid Student activity Play

Investigation of the destructive properties of sulphuric(VI) acid Slideshow Play

Is this battery acid any good? Animation Play

Isoelectric point Student activity Play

Isotope therapy Whiteboard exercise Play

Isotope therapy Student activity Play

L- and D-enantiomers of amino acids Animation Play

Lactic acid Slideshow Play

Lactic acid Animation Play

Lactic acid Simulation Play

Lactic acid bacteria Illustration Play

Le Chatelier's principle Whiteboard exercise Play

Le Chatelier's principle Student activity Play

LED diode (light-emitting diode) Student activity Play

LED diode (light-emitting diode) Animation Play

Lewis theory and earlier acid-base theories Animation Play

Lewis theory of acids and bases Student activity Play

Lewis theory of acids and bases Whiteboard exercise Play

Light and ultraviolet radiation Student activity Play

Limestone Illustration Play