M/S as a balloon floats upwards, M/S of a row of barrage balloons. A woman checks her suspender belt. M/S of ladies in diaphanous dresses, looks like the same girl superimposed. M/S of Ivor the imp in a test tube, he floats to the top. Diagrams show how gravity affects ice and tin....
Excellent investigation of the difference between straight hair and curly.
Slow motion footage of a speed typist.
Item showing manufacture and use of certain gases.
A look at how atoms form molecules to make up things like salt and ice.
A look at how lenses in the eye and camera work.
A look at the role of shadows in life.
A look at a 14 inch home-made telescope and how it works.
A look at how the depth below a ship is measured.