First, Eleanor's playdough pendulum. How long will it take to drop?
Next, we put playdough inside balloons and tied them off. Squish!
We squirted vinegar and food coloring into a pan of baking soda. All the colors took on a greenish tint in the baking soda.
What happens if you put the balloon in the baking soda too? How about if you put the balloon out in the snow?
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