In this investigation I will observe the effect a concentrated sugar solution has on the rate of osmosis in a plant. The vegetable I have chosen for this experiment is a potato.

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Osmosis Investigation

In this investigation I will observe the effect a concentrated sugar solution has on the rate of osmosis in a plant. The vegetable I have chosen for this experiment is a potato. I have soaked them in several concentrations of sucrose, firstly 0.2, 0.4 and 0.6and then the class concentrations of 0.2, 0.3, 0.35, 0.4, 0.5 and 0.6. These are the results I will analyse. Hopefully using this method I will be bale to observe osmosis at work.

Osmosis is the diffusion of water from a region on which they are in a high concentration to a region where the water molecules have a low concentration. They diffuse through a semi-permeable surface, the potato has a semi-permeable surface making it ideal to use.

Equipment

Potatoes

Boiling Tubes

Weighing Scales

Ruler

Varying Concentrations of Sucrose

Water

Potato Borer

Method:

1. Use the potato borer to cut several 2cm long cylinder shaped pieces of potato.

2. Record the weight and length of the pieces.

3. Soak the potato pieces in the concentrations of sucrose (0.2, 0.3, 0.35, 0.4, 0.5, 0.6 and water) in a