Jen-Sin's Physics Posts

Students from China schools and Hillgrove Secondary School learnt, constructed and launched PET Rockets by transforming the insignificant bottles into powerful…

Coloured lights illuminate spaces where other lights are not blocked. Coloured lights blocked by an opaque surface cast shadows in the colours complementary to…

When the Centre of Gravity (CG) of a system lies directly below the pivot (i.e. the point of contact), it achieves the most stable position. Any displacement…

Principle of Moments states that when an object is in equilibrium, the sum of all clockwise moments about a pivot is equal to the sum of all anticlockwise…

Why do ambulances have laterally-inverted warning signs painted on their fronts? My professor says that this phenomena is not due to the laterally inversion…

Due to the phenomena of the refraction of light, the secret proposal message can only be seen easily from the top of the beaker of water…

EXTRACTION OF DNA Materials 1. Soap buffer (10 ml of liquid detergent, 100 ml of water, and 10 g of salt. 2. 5 g of vegetable (or fruit) and chicken liver 3.…

As opposed to the process of students finding out or discovering ‘new’ (at least to themselves) physics relationships, the process of deductive inquiry will…

Multilog Datalogger with 2 temperature sensors are used to investigate how human beings keep warm on a cold dy by using appropriate clothing. On a cold day warm…

One of the activity that can be used with the motion sensor is to introduce the relationships between the motion of an object and a graph of position and time…
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