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Evan Toh
Aug 311 min read
Hand Boiler
Hand boiler toy is a demonstration of thermal transfer and how the 3 states of matter interact. The coloured liquid inside is usually...
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Evan Toh
Aug 311 min read
Water is a poor conductor
In the three states of matter, in general, solid is the best conductor as the particles are closely packed in an orderly manner, hence...
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Evan Toh
Aug 311 min read
Metal is a good conductor – paper over metal gets burned slower
he paper over metal or over plastic/wood will get burned faster? Everyone knows that metal is a good conductor of thermal energy. But...
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Evan Toh
Aug 311 min read
How to read the digital stopwatch
Depending on the experiment, the recording of measured time may be to the nearest 0.1 s or the nearest 1 s, even though a typical digital...
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Evan Toh
Aug 311 min read
Convection Toy – Angels Carousel
This simple toy is made possible using convection current in the air. The ‘fan’ of the carousel is similar to the windmill we are...
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Evan Toh
Aug 311 min read
Convection Current – demo
Convection is a process in which thermal energy is transferred within a fluid (liquid or gas) due to the difference in density which...
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Evan Toh
Aug 311 min read
Radiometer – Thermal Transfer
adiometer is a device for measuring the amount of infrared radiation. It consists of freely pivoted rotor with four vanes perpendicular...
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Evan Toh
Nov 30, 20230 min read
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Evan Toh
Nov 30, 20230 min read
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Evan Toh
Nov 30, 20231 min read
Coppers Surprising Reaction to Strong Magnets Force Field Motion Dampening
If the circuit is open, i.e. there two ends of the solenoid is open, there is induced emf produced, but no induced current produced. That...
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