Brewster's angle Animation Play

Completely factorisation Animation Play

Completely factorisation using the difference of squares Whiteboard exercise Play

Completing the perfect square Student activity Play

Factorisation using the difference of squares Whiteboard exercise Play

Factorisation using the difference of squares Student activity Play

Factorisation using the difference of squares – harder problems Student activity Play

Factorising by completing the square Student activity Play

Finding factorisation Animation Play

Gas particles can completely fill any space available Animation Play

More examples in factorising Student activity Play

Polarisation by reflection Animation Play

Polarisation by reflection Student activity Play

Polarisation by refraction Student activity Play

Polarised and unpolarised waves Animation Play

Polarised and unpolarised waves Whiteboard exercise Play

Polarised and unpolarised waves Student activity Play