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Science · The activity desk

Apple fizz observation

Watch baking soda and vinegar make bubbles in a pretend apple.

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A little plan for play

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What you need

A shallow unbreakable dish, a little baking soda, vinegar, paper, and a large child-appropriate crayon.

Age: 3–5 years; choose for the individual child.

Let's make it happen

  1. Draw an apple on paper and set it beside the dish.
  2. Adult places a little baking soda in the dish, then slowly adds a little vinegar.
  3. Watch the bubbles together and describe what changes. Adult discards the mixture and cleans the dish.

Adult handles and pours the ingredients into the open dish, keeps them away from eyes and mouth, and cleans spills immediately; never seal the mixture.

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