Equipment: One stick of celery with the leaves still attached, a retort stand, boss head and clamp, a petri dish, water, food colouring, a knife or scalpel.
Method:
- Make a cut across the base of the celery stalk to expose a new section of the stem.
- Fill the petri dish with water and add a few drops of food colouring.
- Place the celery stalk in the petri dish and gently clamp it in place using the retort stand, boss head and clamp.
- Leave the stalk undisturbed for 24 hours.
- Remove the stalk from the clamp and petri dish. cut the stem about 1/3 of the way up the stem.
Results:
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