Short multiplication methods for Key Stage 2 … [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...]
Do all flowers have an odd number of petals?
Do all flowers have an odd number of petals? Good question! You'd expect symmetry in nature, but as you've obviously spotted, most flowers have an odd number of petals. If you play he loves me he loves me not with a plant that has an even number of petals, you'll always end on 'he loves me not' (or she loves me not!). But if you choose a flower with an odd number of petals, … [Read more...]
Why are all snowflakes different?
This is one of those questions that gets scientists very excited. The theory is that you can never get 2 identical snowflakes, because of the way that they grow. How do snowflakes grow? Snowflakes are not just frozen raindrops. They're crystals that grow superfast inside a snow cloud. All snowflakes start life as 6-sided hexagons, then they turn into stars with 6 arms. They … [Read more...]
How big is infinity?
Infinity is big - really, really big. It's beyond massive and enormous, through gigantic, and out the other end. You think it would take a long time to count to 1,000? Just try counting to infinity. How long would it take? Forever. No really, it would. Even if you started now, and did nothing else but count - except eat your tea and sleep - you'd still never get there. … [Read more...]