How to estimate the gradient of a curve Animation Play

How to write a number without too many zeros Student activity Play

Hydrogen bonding Student activity Play

Hydrogen bonding in a hydrogen fluoride molecule Animation Play

In Antarctica and in the desert Whiteboard exercise Play

Index laws for positive exponents Whiteboard exercise Play

Index laws for positive exponents Student activity Play

Induction and contact Simulation Play

Induction and contact Whiteboard exercise Play

Induction and contact Student activity Play

Insulators Whiteboard exercise Play

Insulators Student activity Play

Integers Whiteboard presentation Play

Integers Class activity Play

Integrals of powers with rational exponent Whiteboard presentation Play

Integrals of powers with rational exponent Class activity Play

Interaction of charged particles with electric and magnetic fields Animation Play

Intercept form of a straight-line equation Student activity Play

Ionic radii of the s-block elements Student activity Play

Ionisation energy Whiteboard exercise Play

Ionisation energy of the s-block elements Student activity Play

Kinds of relationship Whiteboard exercise Play

Kinds of relationship Student activity Play

Large numbers Student activity Play

Lightning Animation Play