Voluntary and involuntary responses Whiteboard exercise Play

Walking Animation Play

Walking and rolling Student activity Play

Walking and rolling Simulation Play

Walking and rolling Whiteboard exercise Play

Water solutions of sulphuric acid and sulphurous acid Whiteboard exercise Play

What affects the rate of diffusion? Animation Play

What are catalysts? Student activity Play

What are enzymes? (1) Student activity Play

What factors affect the process of diffusion? Student activity Play

What happens during a neutralisation reaction Student activity Play

What happens during a neutralisation reaction Whiteboard exercise Play

What is aerobic respiration? Student activity Play

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

What is titration about? Student activity Play

What the value of equilibrium constant tells us about the reaction Whiteboard exercise Play

What the value of Kc tells us about the reaction Student activity Play

What will the population be in 10 years? Student activity Play

What will the population be in 10 years? Whiteboard exercise Play

When can a chemical reaction happen? Animation Play

Who is pulling whom Animation Play

Why some endothermic reactions are spontaneous? Animation Play

Why the temperature affects the reaction rate? Animation Play

Writing chemical equations using symbols and formulae Student activity Play

Würtz reaction Animation Play