How to work out the volume of a cylinder is typically a grade C GCSE question.. GCSE Grade C question to calculate the volume of a cylinder with a radius of 3cm and a height of 4cm. How to work out the volume of a can of coke. Just a quick video to calculate if 330ml is accurate. It is... but my estimation shows 380ml ! I've not allowed for the coke can design and not … [Read more...]
How to use Pythagorus to work out the length of a side of a triangle
Excellent GCSE Grade C type question … [Read more...]
How to work out the area of a triangle
There's the 'official' formula 1/2(bxd) ... or you could just create a rectangle and halve it. … [Read more...]
Why Are All The Planets Round?
Why are all the planets round? The planets are all round because they're so MASSIVE. Big thing like planets have incredibly strong gravity, which pulls everything into the centre. If you did have a cube-shaped planet, gravity would eventually pull the corners in, making it round, like a ball. So, were the planets once cube-shaped? No. When our solar system was forming, … [Read more...]