We extract the DNA from a kiwi fruit by mashing it with detergent, salt and water.

We compare plant cells and animal cells under a microscope to see how they differ.

We look at the effects of osmosis on the volume of potato and the appearance of red onion cells.

We use coloured agar cubes to see how different shapes change the rate of diffusion.

We use maggots to let us observe aerobic respiration.

We use yeast to let us observe anaerobic respiration.

We examine the number of microorganisms in different types of milk using resazurin indicator.

We demonstrate denaturing by adding the enzyme trypsin to photographic film.