The hydrogenation of alkenes or alkynes Animation Play

The inner structure of the atom Student activity Play

The length of a metal rod Animation Play

The mechanism of catalyst action Animation Play

The methods of cracking Animation Play

The negative exponent as a decimal Whiteboard exercise Play

The negative sign in front of the brackets Whiteboard exercise Play

The operation of a cell Animation Play

The operation of a cell Whiteboard exercise Play

The operation of a cell Student activity Play

The power of 10 with a negative exponent Whiteboard exercise Play

The power of 10 with a negative exponent Student activity Play

The powers of ten Student activity Play

The principle of conservation of charge Whiteboard exercise Play

The principle of conservation of charge Student activity Play

The principle of conservation of charge Simulation Play

The signs of the trigonometric functions Student activity Play

The sine – reducing angles Student activity Play

The steep road Animation Play

The structure of an electroscope Animation Play

The synthesis of magnesium iodide Animation Play

The way catalysts work Animation Play

Titrimetric determination of reaction rate Student activity Play

Titrimetric study of the reaction of propanone with iodine Animation Play

Transition elements Class activity Play