The resistance of a wire Animation Play

The rhombus Student activity Play

The shortest possible perimeter Animation Play

The three circles Whiteboard exercise Play

The trajectory of a moving body when the potential is constant Animation Play

The trapezium Student activity Play

Three fourths of a circle Animation Play

Three rectangles and their perimeters Whiteboard exercise Play

Total emissive power Animation Play

Trapezium Whiteboard exercise Play

Trapezium Student activity Play

Travelling with a constant speed Student activity Play

Two circles and a line Whiteboard exercise Play

Two circles and a line Student activity Play

Two rectangles and their perimeters Whiteboard exercise Play

Units of the equilibrium constant Whiteboard exercise Play

Units of the equilibrium constant Kc Student activity Play

Uses of UV/visible spectrometry: colorimetry Student activity Play

Using the ideal gas law Student activity Play

Wavelength, frequency and energy of electromagnetic radiation Animation Play

What are algebraic expressions used for? Student activity Play

What are algebraic expressions used for? Whiteboard exercise Play

What is a perimeter? Student activity Play

What is a perimeter? Animation Play

What is the meaning of rate constant and reaction order? Animation Play