Weight vs Mass

Science tip: “The weight of an object is also its mass.” This is really awkward to explain because we use kg to measure both weight and mass. -Weight is the pull of the Earth’s gravity on mass and is dependent on the gravity experienced (so an object will have a different weight on the moon).[…]

Tough Maths problem

This is a very tough question. Try this and see if you can solve it without using algebra. Andy, Betty, Candy and Danny each have some money. The amount of money Andy has is 1/3 of the total amount of money Betty, Candy and Danny have. The amount of money Betty has is 1/4 of[…]

It’s not nice to use nice

I always tell my students: 1) No word echoes: don’t repeat the phrases you use if possible. It would appear like you have a limited vocabulary bank. 2) Don’t use the word “nice”. It’s a lazy way of writing. Everything can be “nice”. Yesterday, while I was at my parents’ place, I watched this TV[…]

Life is so easy?

“Life is so easy now, you don’t have classes everyday,” said some friends. On the surface, it appears so. However, there’s a lot of responsibility involved. Guiding the kids academically and also aiming to provide an education for them, devising ways to get them interested, and helping them improve in the most efficient manner possible.[…]

The woes of answering Science open-ended questions

Several parents wrote to the Straits Times recently to express their concern about how the Science open-ended questions are structured. Despite the MOE’s good intentions to move towards a more inquiry-based learning, and to cultivate inquisitiveness, it does sometimes seem like the exam format is penalising those who do not memorise and regurgitate model answers.[…]