Types of forces Student activity Play

Types of gas changes Student activity Play

Types of lasers Slideshow Play

Using mean bond enthalpies in calculations. Part 1 Student activity Play

Using the diagrams in real life Whiteboard exercise Play

Water and ice at equilibrium Animation Play

Water solutions of sulphuric acid and sulphurous acid Whiteboard exercise Play

Wave dispersion and wave absorption Animation Play

Wave dispersion and wave absorption Student activity Play

Wave dispersion and wave absorption Whiteboard exercise Play

Wave refraction Animation Play

Wave refraction Student activity Play

Weight Class activity Play

What affects refraction? Whiteboard exercise Play

What affects refraction? Student activity Play

What affects refraction? Simulation Play

What does absolute refractive index inform us about? Animation Play

What is the critical angle of a given medium? Animation Play

Why does the electronegativity change across a period? Animation Play

Why don't solids change their shape spontaneously? Animation Play

Why ecosystems change Slideshow Play

Work and change in potential energy Animation Play

Work causes a change in energy Whiteboard exercise Play

Work causes a change in energy Simulation Play

Work causes a change in energy Student activity Play