Fluidised Sand
[S3 Physics: Density] A solid has a definite shape and volume, as is the case with sand. However, it's possible to change the behaviour...
A Flame Tornado!
(A-Level Physics: Conservation of Angular Momentum) Have you ever tried making your own flame tornado? Can you? You can! Why, you ask?...
Experiment to find the Speed of Light
In Primary school, you may have done experiments to discover the speed of sound by bouncing off a loud sound against a faraway wall. Have...