I guided the kids in setting up this experiment and encouraged them to tell me how we could find out the answer to our question. They decided how many marshmallows would go in each cup. Then they sorted the marshmallows by color and placed six marshmallows in each cup.
Next we talked about making predictions. I asked them to predict what color they thought the water in each cup would be after the marshmallows dissolved.
Both of the kids remembered from our first experiment that only the warm water made the marshmallows dissolve, so we added warm water to each cup. Like before they stirred and observed in their own styles. Him quiet and focused, her giving a play-by-play account of the process.
Once all of the marshmallows dissolved we sat and watched the water settle. Then we discussed our conclusions. They confirmed their original predictions, and they were proud little scientists!
What science experiments do you enjoy doing with your kids?
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