The reactivity series Whiteboard presentation Play

The reduction of potassium dichromate(VI) Animation Play

The reduction of potassium manganate(VII) Animation Play

The relationship between equilibrium constants of pressure and concentration Animation Play

The relationship between the electronegativity of elements and the chemical properties of their compounds Student activity Play

The route of electrons Animation Play

The same magnitude Student activity Play

The same magnitude Whiteboard exercise Play

The shortest route to a line Whiteboard exercise Play

The shortest route to a line Student activity Play

The solution of cobalt chloride and hydrochloric acid Animation Play

The stability of a nucleus and the binding energy Animation Play

The stability of alkaline-earth-metal carbonates Student activity Play

The stability of alkaline-earth-metal carbonates Simulation Play

The state of dynamic equilibrium Student activity Play

The structure of a tokamak Illustration Play

The thermite reaction Slideshow Play

The Third Law of Motion Student activity Play

The Third Law of Motion Whiteboard exercise Play

The transformed point's image Whiteboard presentation Play

The transformed point's image Class activity Play

The unusual properties of beryllium Student activity Play

The unusual properties of beryllium Whiteboard exercise Play

The way catalysts work Animation Play

The xanthoproteic reaction Animation Play