Using a galvanised nail and a copper penny as electrodes and lemon juice as an electrolyte can create a rudimentary battery. When the zinc-coated nail is pushed into a lemon, the mild citric acid in ...

Top tips from David Boyce and his class, who have cultivated a 3kg single copper sulfate crystal A classic school experiment involves growing copper sulfate crystals. Allowing water to slowly ...

These colourful photographs may look like works of modern art, but they are really actually close-ups of chemical reactions. They show reactions taking place after acid is dripped onto a flower, or ...

Speaker one In this practical we will be making a soluble salt called copper sulfate which is used to treat fungal diseases, such as foot rot in cattle. Speaker two Yep, something I struggle with ...