1 Endothermic&Radiating performance of different liquid 2 The Cooling law of hot water 3 the boiling of water 4 The Energy Transfer - Friction 5 To investigate the effect of the surface finish on heating 6 The magnetism in different parts of the magnet 7 Solar Cell 8 Electrically conductive of glass 9 fruit battery 10 Acids and Bases 11 Test your lungs 12 photosynthesis 13 To prove that CO2 exists in the air 14 The secret of burning 15 To measure the Electrocardiograph 16 To prove that water vapor exists in the air 17 To measure the heartbeat 18 To measure light intensity 19 Compression Igniter 20 To measure the humidity 21 To measure the atmospheric pressure 22 To measure the oxygen in the water 23 To measure the temperature 24 Surface Tension 25 The velocity of the trolley motion 26 The impact of slope on pulling force 27 Equal Arm Balance 28 friction force 29 Pendulum’s motion law
