Different chemical substances in the rocks glow with different colours. Stack the plastic atoms on the trays to try to create different crystal shapes. You may find you can't build good crystals on one of the grids real crystals rarely have a circular shape. Meteosat receiver A satellite orbiting the Earth send back weather photographs to Herstmonceux. You may be able to see the latest views of Britain, and try to predict what weather is coming our way.
Seasons Turn the disc to set the month and see where the sunlight falls on the tilted Earth.
Turn the globe to see how much daylight there is at different places. Then change to another time of year and see the difference. Settling sand Turn the disc and watch what happens to the sand grains. The largest grains settle first while the finest stay suspended in the liquid longer. Layers of 'sandstone' rock often form with finer grains at the top and coarse grains below.