My class did two progects with plants. We did one with celery and red food colaring we put the celary in the food colaring then we wated a cople of days…..and each day the leaves terned red!  no matter what kind of plant you put in the food colaring  the  leaves or  pettals will al wase tern the colar of the food colaring you put in.I lerned that plants need sun light,water and soil. Also i lerned thet no matter  what direction you put a seed in the roots will all  wase  find the bottom and the plant will allwase find the top.