Stimulate, provoke, engage.
"Teaching, properly conceived, is not a delivery system. You know, you're not there just to pass on received information. Great teachers...
Crushing a walnut
Why can't we crush a walnut with one hand, but can crush two walnuts if we hold them both in one hand and squeeze? Answer: Two walnuts...
Pressure
Why can camels still stand on sand without sinking despite their weight? Why don't we sink into the snow when we are skiing? That's...
Weight
This is going to be a short article but make sure you understand Newton's Second Law first. Weight is actually a force - but we don't use...
Newton's Second Law (Forces)
Newton's second law states that force is equivalent to to mass times acceleration. In other words, F=ma That's it! However, the...
Scalars and Vector
Scalars only represents magnitude, or the size of it, and this can be described by a number. Vectors have both direction and magnitude,...
Force (Introduction)
A force is an interaction between objects. What can forces do? It can change its speed, cause it to move, stop, change shape, push, pull...
Figure it out
"There was a time when Stone Age men and women used to sit and look up at the sky and say, "What are those twinkling lights?" They built...
Pythagoras Theorem
A cat is trapped on a tree that is standing perpendicular (at a right angle) to the ground. The tree is 3 meters tall. A fireman is...
Diversity
"Human communities depend upon a diversity of talent, not a singular conception of ability." -Sir Ken Robinson What we see today, from...
