Images of the seven wonders of the world. The last shown - Egyptian pyramids.
Various shots of the pyramids and their surroundings intercut with diagrams of the pyramids showing where they are, how they were made, showing the size, the inside etc. One of the diagrams...
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.