Huygens' Principle Student activity Play

Huygens' Principle Animation Play

Ice-cream Animation Play

Identifying pictorial diagrams Whiteboard exercise Play

Inequalities in a coordinate system Whiteboard exercise Play

Inequalities in a coordinate system Student activity Play

Interpolation and extrapolation Student activity Play

Interpretation of collected data Class activity Play

Interpretation of collected data Whiteboard presentation Play

Inverse function Class activity Play

Inverse function Whiteboard presentation Play

Is it a function? Student activity Play

Is it a graph of a function? Whiteboard exercise Play

Is it a linear function? Whiteboard exercise Play

Is it a linear function? Student activity Play

Kinds of relationship Student activity Play

Kinds of relationship Whiteboard exercise Play

Lewis dot-and-cross diagram for a hydrogen molecule Animation Play

Lewis dot-and-cross diagram for a water molecule Animation Play

Lewis dot-and-cross diagram of a hydrogen iodide molecule Animation Play

Lewis dot-and-cross diagrams Student activity Play

Linear functions Class activity Play

Linear functions Whiteboard presentation Play

Listing elementary events Student activity Play

Luminosity – temperature diagram Illustration Play