Science

Aim: To observe xylem tissue and drive that they transport water up the plant.

Equipment: One stick celery with the leaves still attache, a retort sand, boss head and clamp, a petri dish, water, food colouring, a knife or scalpel.

Method:

1. Make a cut across the base of the celery stalk to expose a new section of the stem.
2. Fill the petri dish with water and add a few drops of food colouring.
3. Place the celery stalk in the petri dish and gently clamp it in place using the resort stand, boss head and clamp.
4. Leave the stalk undisturbed for 24 hours
5. Remove the stalk from the clamp and petri dish. Cut the stem about 1/3 of the way up the stem.