Experiment Mania: Cell

EXPERIMENT 1: OSMOSIS IN PLANT CELLS

Please feel free to try and do let me know how your experiment turned out 🙂

PROCEDURE

Fill three bowls with room temperature water. Add salt to one bowl, sugar to the second and nothing to the third.

Place one slice from the center of a potato in each bowl.

Remove the slices after 30 minutes to examine them.

EXPECTED RESULTS

The salt water slice will become soft and flexible. The sugar water slice will be less flexible. The plain water slice will be more rigid.

DISCUSSION

CELL PLAHNT

Cells allow water to pass in and out, but because the cell water tends to move toward dissolved chemicals, in the salt water it moved from the inside of the potato’s cells to the outside causing the potato’s cells to collapse. The same happened with the sugar water, but because potato cells contain more sugar than salt, the potato didn’t lose as much water. In plain water slice, water moved from the outside in, causing the cells to swell and become stiff.

Reference:
Read more: Fun Science Experiments on Cells | eHow.com http://www.ehow.com/info_8066655_fun-science-experiments-cells.html#ixzz2K6SlQpV8

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