the power of enzymes

The power of enzymes

Methods and Materials
· 6 beakers, 200m1 ($15)
· 3 spoons
· Soap, cut or grated into very fine pieces (6g for each experiment)
· Biological washing powder (6g for each experiment)
· lOOml measuring cylinder ($10)
· 2 large beakers, 500m1 ($20)
· Cotton wool ($2.50)
Procedures
Cut the sample of cotton wool and roll into 6 small bundles. Stain two bundles with soil, two with egg and two with used cooking oil. Do not stain too heavily, otherwise the cleansing effect would be difficult to observe. See diagram below.
Cut the sample of cotton wool and roll into 6 small bundles. Stain two bundles with soil, two with egg and two with used cooking oil. Do not stain too heavily, otherwise the cleansing effect would be difficult to observe.








Weigh 6g of the fine soap pieces in a 500ml beaker and add 300ml of water.
Stir to dissolve the soap. Measure l00m...