Some time ago, I purchased a plants kit from Little Labs, to teach my 6 yr old a little bit about plants. The first experiment involves learning what plants need in order to grow and survive. A little over a week ago, we took 3 paper cups, some cotton balls and water. We planted some Cress seeds in the cotton. One we placed in a sort of sunny location, one we placed in a dark cupboard, and one we put blue food colouring in, just for the fun of it to see if colour would affect the plant.
#1
#2
#2
#3
#1 - The Sun Plant - Sprouted the following day and grew very well producing fine green leaves. (this plant was healthy and as tall as the other 2 plants but got dropped just prior to the photo being taken.)
#2 - The Closet Case - Also sprouted the following day and grew well but produced sickly yellow leaves. (I would continue to grow this plant in the cupboard for a little while longer, but my 6 yr old feels very bad that the plant doesn't look good and she is afraid it will die - can't argue with that - so now we will see what effect placing it in the sun will do to it now! - I may put a secret plant in the cupboard and watch it for a few weeks.)
#3 - The Dyed Plant - Also Sprouted the following day - grew well, and had slightly blue tinged stems. (we're going to add more blue food colour when we water it next time and see if that will have an effect.)
So our experiment provided that in order to produce a healthy Cress plant with green leaves a plant needs water, sun and "soil".
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