What is ice?
Summer in South Africa is nearly over. Next we'll be heading into Autum and then Winter, where the word 'icy' is used quite a bit.
Ice has some very unique properties, but what are they? What do they mean for us? Sure, we know that ice is just frozen water, but unlike other types of matter, ice is less dense than water in its liquid form.
Think about it, why do ice cubes float in a cold drink?
This video from NASA will explain it!