Easy Outdoor Science Activities For Kids


Rock-Rolling Experiment

This rock-rolling experiment totally rocks! Find out if rocks roll faster depending on their shapes.

What You'll Need:

  • Differently shaped rocks
  • Hillside
  • Watch with second hand
  • Pen and paper

Step 1: Pick six differently-shaped rocks of about the same size and weight. One might be rounded, one might be flat on one side, and one might be almost square or totally flat.

Step 2: One by one, release these rocks at the top of a steep hill and time how long each takes to roll to the bottom. Try to predict which rocks you think will move the fastest before letting them go.

Step 3: Compare your times and see how close your predictions came to being correct.

When you go outside you may be hearing more than you bargained for. Keep reading to find out how you can tell.

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