bugs are loosing the battle for survival
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BIOLOGY COURSEWORK
Investigating osmosis using potato
PRACTICAL PROCEDURE
In the practical; procedure we cut up some potato into small even slices. We then dried each one and weighed how heavy each potato piece was. We then wrote down each weight in a results table.
We then put the pieces of the potato into a boiling tube (one in each). Boiling tube a. had 1m of salt solution, Boiling tube b. had 0.5m of salt solution, And boiling tube c. had 0m of salt solution (distilled water).
After each of the potato slices had been in the solution for 30 minutes we took them out of the boiling tubes, and weighed them then filled in our results chart...