A simple practical activity that uses various methods to help students understand the idea of the expanding universe.
Students often struggle to determine whether changes in matter are physical or chemical, for example, they may have difficulty labelling a candle m
Learn how to set up a hydrogen fuel cell by extending an activity most schools already do – the electrolysis of ‘water’.
A progression leading to understanding falling towards Earth is presented.
Well, of course you know that a battery is made of cells in series, but I have just discovered a great way to show this to a class.