Open-Ended Preschool Science

Most of the experiments we do have a very direct goal or purpose. Today, we did some open-ended experimentation, which I think is important and more gratifying for the preschool set.

I provided the supplies, and with my daughter’s direction, we began on a scientific journey with no definitive ending.

First, she filled a container with some vinegar.

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Then my daughter dropped dots of food coloring into tiny cups of oil.

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She was very excited when the food coloring became “eyeballs”.

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Then she stirred it a little, creating “lots of tiny eyeballs”.

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Then she dumped the cups into a large container of water. (She also added some vinegar to the water.)

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We placed our container of vinegar in the center of our large container, and I ran inside to grab some baking soda. I couldn’t pass up the opportunity.

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My daughter slowly poured the last of my baking soda into the vinegar.

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Volcano!

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She poured some oil into the small container of vinegar and watched them separate.

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Then, she poured everything into the large container.

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We were left with an oily, swamp-like mess to play in.

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…and the rest is history.

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