SWR Pri.Sci 4+

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