How much can you save by using an energy-saving light bulb? Whiteboard exercise Play

How much can you save by using an energy-saving light bulb? Student activity Play

How much can you save by using an energy-saving light bulb? Whiteboard exercise Play

How much can you save by using an energy-saving light bulb? Whiteboard exercise Play

How planets reflect light Student activity Play

How planets reflect light Whiteboard exercise Play

How shadows are formed Animation Play

How to determine polarisation Animation Play

How to distinguish between a true solution, a colloid and a suspension Animation Play

How to explain the refraction of light Animation Play

How to illuminate a room? Slideshow Play

How to light a Bunsen burner Animation Play

How to measure the speed of light Student activity Play

How to measure the speed of light Whiteboard exercise Play

How to measure wavelength? Student activity Play

How to measure wavelength? Whiteboard exercise Play

Hydrogen spectral series Illustration Play

Ice-cream Whiteboard exercise Play

Images in lenses Student activity Play

Increasing mass Glossary Play

Increasing mass Student activity Play

Infinitely high? Whiteboard exercise Play

Infinitely high? Student activity Play

Influence of some factors on the rate of photosynthesis Student activity Play

Information transfer rate Animation Play