Children compared the weight of an orange, a banana, and a grape. First we predicted by holding the fruit to guess which fruit weighted more than the other. Then we used a pan balance to see if our predictions were correct. We discussed which weighed more and which weighed less than the other. They loved to compare the fruit.
We recorded our results. 
In our science center we have celery that we put into red food coloring. We noticed how the celery drank the water up from the bottom up to the leaves. This was to stress how plants drink from their roots up to the rest of the plant. We noticed red lines going up the celery. It looked like a "straw" drinking up the red water.
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