Water Evaporation Experiment

What you need:

  • Find lids from various containers. Try to find lids of various sizes, some deep lids, bottle caps, and low lids like one from a play dough canister.
  • Other materials to see if you can adjust the lids that are alike.
  • Tape

How to do it:

Fill each lid with the same amount of water.  For example, 10 ml.

You can modify containers slightly to see how the top will affect rate of evaporation. You can cover with foil. Or cover and then poke small holes. Or cover with mesh. Or…

Ask the children what they think on from which lid they think water will evaporate more quickly.

Then just wait for the result.

If you like make a stop-motion or time lapse movie to capture the process.

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