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’.
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.
Practical approaches to teaching about energy and developing understanding.
Would a change in terminology help avoid confusion or do we need to review the use o f'energy' in science teaching?
Entropy is more usually studied in physics and chemistry but can also be considered in biology to explain limitations of energy changes in life-pro