The area of contact between the phases Animation Play

The balance between energy flow and the circulation of matter Whiteboard exercise Play

The difference between a program and its realization Whiteboard exercise Play

The difference between a program and its realization Student activity Play

The difference between an element and a compound Whiteboard exercise Play

The difference between heat and temperature Whiteboard exercise Play

The difference between heat and temperature Student activity Play

The differences between mitosis and meiosis Student activity Play

The differences between mitosis and meiosis Animation Play

The differences between mitosis and meiosis Whiteboard exercise Play

The differences between prokaryotes and eukaryotes Slideshow Play

The differences between the X and Y chromosomes Whiteboard exercise Play

The distance between Aville and Beville Whiteboard exercise Play

The distance between points A and B Animation Play

The distance between the centres of circles Student activity Play

The distance between the images Animation Play

The distance between the images – the rectangles Whiteboard exercise Play

The distance between the plates Student activity Play

The distance between the plates Simulation Play

The distance between the plates Whiteboard exercise Play

The distance between the points Animation Play

The distance between the points in the coordinate system Whiteboard exercise Play

The distance between the ships Animation Play

The distance between two cities Whiteboard exercise Play

The distance between two points in the plane Student activity Play