What better way to explore capillary action and transpiration than with celery and white carnations? After planting his spice garden, I asked Boy O how he thought his plants 'drank' the water he was giving them. He thought it was through their leaves, so this was a fun and simple way of showing how plants absorb H2O. All you need is a glass, water, food coloring, celery and/or white carnations. Even your toddler can participate, although how much Baby O took away from this exercise other than waving a flower around and being the most adorable baby ever (of course) is beyond me.
The next morning:
I remember doing this with celery and it working quite well, but carnations seemed to have a more colorful result for us and can make a pretty bouquet around Valentine's day.