Students try out experiments with carbon dioxide in a University of Cambridge science lab in this resource for Key Stage 3, 4 and GCSE.

Explains the concept of light traveling in straight lines and demonstrates this through various experiments. It shows how light can be observed through holes in cards, how it behaves in a ...

The double-slit experiment was designed to investigate whether light is a wave or a particle. It is one of the most famous and weirdest experiments in physics.