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Kitchen Science

cognitivesensory

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Kitchen Science

Description

Three quick kitchen experiments using things you already have at home. Your child watches, predicts, and notices - the goal is observation, not explanation.

What to prep

  • baking_soda
  • vinegar
  • cooking_oil
  • water
  • salt
  • ice
  • glass_or_jar
  • bowl
  • spoon
Cost: FreeBest time: Anytime

Play guide

  1. 1Experiment 1 - Fizz. Put a small spoonful of baking soda in a bowl. Ask your child - "what do you think will happen when I pour this vinegar in?" Pour a small amount of vinegar and watch together. Let them stir if they want. No explanation needed; just observe.
  2. 2Experiment 2 - Oil and water. Pour a small amount of water into a clear glass or jar. Add a small splash of cooking oil. Ask - "what do you see? What happens when you stir it?" Stir together and watch them separate again. Let your child look closely.
  3. 3Experiment 3 - Melting ice. Put two ice cubes in two separate small bowls. Sprinkle salt on one. Ask - "which one do you think will melt first?" Check back after a few minutes and compare.
  4. 4Between experiments, ask "what did you notice?" not "why did that happen?" Noticing is the whole goal; explaining comes much later.
  5. 5Clear up together at the end. The fizz bowl wipes clean easily; the oil can be rinsed.

Success signals

Your child stays engaged through at least two of the three experiments. They make a prediction before at least one experiment - even an incorrect one. They point at or describe something they noticed without being prompted - "look, it's bubbling!" or "they're not mixing."

If it's tricky

The fizz experiment underwhelms (too little reaction): Use more baking soda or more vinegar - the reaction scales with amount. Child wants to keep adding vinegar and making it fizz repeatedly: Let them - the repetition is its own kind of observation. The oil and water isn't clear enough: Use a tall narrow glass rather than a wide bowl, and let it settle for 30 seconds before showing. The ice experiment feels slow: Check in every two minutes rather than waiting - the comparison between the two bowls is the moment of discovery and it needs to land while your child is still interested.