Eye twisting!?
[S3/4 Biology - The Eye] Kept you waiting, huh? Haha. Have you ever twisted your fingers when you were younger while playing tag /...
The clever strategy that oak trees use
[P6 Science - Mutations] Acorns. That word may give you the impression of a type of nut that squirrels often pick up and eat in a live...
Overlapping Rectangles
[Sec 2 Maths: Pythagoras' Theorem] The following question features an important problem-solving heuristic that is beneficial for many...
How do Pulleys work?
[S2 Science & beyond: Forces] Pulleys often offer a mechanical advantage. But what does that actually mean? The following video helps to...
Formal Introduction to Stoichiometry
[S3 and above: Stiochiometry & Mole] Let's say you have a junior whom is currently struggling with Chemistry, specifically the mole...
Invisible Fires
[P4 Science - J1 Chemistry: Heat & reaction between oxygen & ethanol] You often know heat as a dangerous form of energy. The reason kids...
Circle Rotation Paradox
[P6 Maths and beyond: Circles] The following question is a tricky question from 1982 that a lot of people got wrong. It's deceptive (and...
Parallel Lines and Similar Figures
You might wonder at some point what parallel lines were used for. To cut wooden planks and stone bricks? To partition dough in equal...
Squares within Triangles - A New Perspective
[S2 Maths - Congruence and Similarity] When it comes to Maths, most of the things actually performed seem to be useless in today's world....
Optical Illusions from Polarisers
[P4 to S4 Science - Light & EM waves] As an aficionado for science since young, I often wonder where the intrigue for optical illusions...
