## 06. Motion in a Circle

[accordions autoHeight=’true’] [accordion title=”1. Rotational Kinematics”] Angular displacement $$\theta$$ is defined as the angle an object turns with respect to the centre of a circle. $$\theta=\dfrac{s}{r}$$ where s is the arc and r is the radius of the circle. One radian… Continue Reading

## 05. Work, Energy and Power

[accordions autoHeight=’true’] [accordion title=”1. Work Done”] Work done W is defined as the product of the force and the displacement made in the direction of the force. For a constant force F acting in same direction as the displacement s:… Continue Reading

## Who Wants to be a Base Unit?

This is a game that I play with my classes in the beginning of the course after they have attended the first lecture on base units. It serves as an ice-breaker since this is usually when I first meet them,… Continue Reading

## EMF of A.C. Generator

For my students to discuss. Please leave your answer and explanation in the comments below. Options are: A. $$V_0$$ (peak voltage) B. $$\frac{V_o}{\sqrt{2}}$$ C. Zero D. None of the above

## P-V diagram simulation

This is an easy-to-use interactive simulation for P-V diagrams, created in GeoGebraTube (not by me!). Students will get to test themselves and familiarise themselves with making quick calculations for simple processes.

## P6 Science Question on Light Bulb

This picture has been making its way around the internet. This is a Primary 6 Science question that has a questionable answer. As teachers, there are times when we make mistakes in crafting answers for a multiple-choice question. Good thing… Continue Reading

## Make Your Own Comic Strip for Teaching!

A concept cartoon is an innovative way of eliciting discussions about science concepts. For example, it can present differing views on a scientific phenomenon from different characters. I am not an artist but do wish sometimes that I could make… Continue Reading

## How to survive a lightning strike

This is an interesting question on electricity: in order to survive a lightning strike, which of the following costumes offer the best protection? A coat of armour, your birthday suit, a wetsuit or a superman costume? Watch this MinuteEarth video… Continue Reading