Jen-Sin's Physics Posts
July 25, 2008
PET Rocket
Students from China schools and Hillgrove Secondary School learnt, constructed and launched PET Rockets by transforming the insignificant bottles into powerful…
July 23, 2008
Coloured Shadows
Coloured lights illuminate spaces where other lights are not blocked. Coloured lights blocked by an opaque surface cast shadows in the colours complementary to…
April 01, 2008
Happy April's Fools Day
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…
March 17, 2008
Crane and Principle of Moments
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…
Jan. 04, 2008
Lateral Inversion
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…
Dec. 15, 2007
Launch of Physics is FUN! Website
www.PHYisFUN.com [phyisfun.com] 15th December 2007 marks the date of the launch of the Physics is FUN! Knowledge Network Sharing Platform.
Nov. 06, 2007
Will you marry me?
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…
Nov. 05, 2007
Life Sciences
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.…
Oct. 02, 2007
Deductive Inquiry Circuits
As opposed to the process of students finding out or discovering ‘new’ (at least to themselves) physics relationships, the process of deductive inquiry will…
Sept. 26, 2007
Multilog Datalogger
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…
Sept. 18, 2007
Burning Candle in a Bottle
PS: Photographs in this page are taken with the Dopod 838 Pro instead of my usual Fujifilm FinePix F31fd.
Sept. 12, 2007
Motion Sensor
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…
Aug. 23, 2007
Video Conference with Nobel Prize Laureate
Professor Hulse received his Nobel Prize in Physics for his discovery of the first binary pulsar - a twin star system that provides a rare natural laboratory in…