Celery Surprise

LI:To understand the principle of capillary action.
Materials needed
1 Stalk of celery
A glass jar
water
food colour
First we filled the clear jar with water.
Then we put blue food colouring.
Afterwards we put the celery in to the jar.

The celery is gone harder
after a day in a warm class and in a gar of blue coloured water.
The celery got stronger.