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Measuring a Puddle

When rain gathers on the ground it sometimes forms a puddle. This can change size during the day, which you can measure.

What you will need:

  • A puddle
  • A piece of chalk

What to do:

  1. Choose a day when there has been rain overnight and the rest of the day is expected to be dry, warm and sunny.
  2. Choose a puddle and first thing in the morning use a piece of chalk to draw around the puddle.
  3. A few hours later go back and draw around your puddle again. Repeat this several times during the day.

More Weather experiments

There are lots more fun weather experiments that you can do. Why not try one of these: