A cook wishes to prepare chips for a meal the following day. How does the cook keep the chips so that they will stay fresh.

Biology Coursework

Problem
A cook wishes to prepare chips for a meal the following day. How does the cook keep the chips so that they will stay fresh.

Experiment 1

Background
Potatoes have selectively permeable membranes (cell membranes ) that lets water move from cell to cell by osmosis

Plan
I am investigating what you should keep chips in to keep them fresh. I will try to keep the chips the same weight and I will put them in the same amount of liquid solution.

Hypothesis
I think the chips should be kept in pure water because if kept in salty water all the water would leave the potato so it would just be salt in it so it would rot.

Apparatus
Potato, corer, balance, scalpel, boiling tubes, water, salt solution, tile.

Method
6 chips of potato were cut about the same size an...