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PLAN When hydrogen peroxide is added to a piece of fresh potato, bubbles of gas are seen to form. When a bigger piece of potato is used, a larger number of bubbles is produced. A possible explanation for this observation could be that oxygen is produced when hydrogen peroxide is broken down by the enzyme catalase. A large piece of potato will contain a higher amount of catalase than a smaller piece and therefore produces a greater volume of oxygen. The Task Design an experiment to show that an increase in the concentration of catalase affects the volume of oxygen released from hydrogen peroxide. Hypothesis I predict that as you add more potato , the concentration of the catalase increases resulting in an increase of the volume of oxygen released from hydrogen peroxide. Apparatus Potato Tile- to cut the potato discs Borer (size 5)- so that the potatoes have a consistent diameter Scalpel- to cut the potato...

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