Properties of amino acids Student activity Play

Properties of bodies Animation Play

Questions about the physical changes Whiteboard exercise Play

Rate of change in the exponential function Simulation Play

Rate of change in the function y = ln|x| Whiteboard exercise Play

Rate of change in the natural logarithmic function Simulation Play

Rate of change on the straight line Student activity Play

Rate of change on the straight line Whiteboard exercise Play

Rates of change Whiteboard presentation Play

Rates of change Class activity Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Ratio of two quantities of different kinds Student activity Play

Ratio of two quantities of the same kind Simulation Play

Ratio of two quantities of the same kind Student activity Play

Reaction between copper and nitric(V) acid Animation Play

Reaction conditions and enthalpy change Slideshow Play

Reactions involving phase changes Animation Play

Reactions occurring on the surface of a solid catalyst Student activity Play

Reactions occurring on the surface of a solid catalyst Whiteboard exercise Play

Reactions of s-block elements Animation Play

Reading from graphs Student activity Play

Reading from graphs Whiteboard exercise Play

Recent changes in the Earth's temperature Slideshow Play

Recognising oxidising and reducing agents Student activity Play

Recognising reducing agents Simulation Play