A mirror and a light bulb Animation Play

A mirror and a light bulb Student activity Play

Biological treatment of wastewater Student activity Play

Coloured filters Student activity Play

Coloured objects Student activity Play

CRT and an oscilloscope Class activity Play

CRT and an oscilloscope Whiteboard presentation Play

Examples of functions represented in words – part 2 Student activity Play

Finding lengths Whiteboard exercise Play

Finding lengths Student activity Play

Finding the polar coordinates of the points Animation Play

How does an oscilloscope operate Animation Play

How light travels Student activity Play

How light travels Illustration Play

How much does it cost to watch television? Student activity Play

How much does it cost to watch television? Whiteboard exercise Play

How to estimate the cost of electrical energy Student activity Play

Intensity of screen illumination Animation Play

Introduction to an enlargement Animation Play

Inverse square proportion Student activity Play

Lorentz force Student activity Play

Mixing light Glossary Play

Mixing light Student activity Play

Operation of a wastewater treatment plant Animation Play

Oscilloscope Whiteboard exercise Play