| Particles -Heating water in a box of paper -Venging water and alcohol -Air in a reverse test tube -Waterdrop in a tube with expanding air Phase transitions -Evaporation on a balance -Implosion of water vapour -Freezing an ice-cube fixing it on a wood -Distillation of red wine Force and pressure -Balance with water as a mass-piece -Communicating vessels -Reverse little test-tube filled with water -Dilating air replacing the cylinder of a test-tube -3 electromagnetic forces on a balance -Magnets indicating the north -Steam engine Mass -Mass pendulum Force Moment -Force Moment with the balance -Inertia of rotation Chemical reactions -Steel wool and oxygen -Prove CO2 production -Heat of combustion of suet Separation methods -Filtration -Making indicator of flowers Electrostatcis -Field lines in the lid of a medicine cup Electric current -Current through a plastic tube -Measuring conduction -Switch parallel with a lamp -LED and LDR Optics -Shadow and enlargement -Light scattering in milky water -Enlargement of a LED -Reflection with the lid of the box -Spectra Electromagnetism -Lorenz force replacing pepper salty solution -Magnet under a battery as a simple motor -Effect of a coil on a magnet |