I’ve got two cans of coke, one regular coke and one diet coke. The question is what will happen if I put them into a tank of water will they sink, or will they float?Let’s find out.This is a fun demonstration to do with a class to investigate...
What happens when you leave a bottle of pure water in the freezer for a few hours? Weirdly it doesn’t freeze until you bang the bottle. Why? This is special bottled water. It’s not regular mineral water, which normally has other chemicals dissolved in it. Smart...