What You Did

You built a mariner’s quadrant.

Intended Results

Your quadrant should help you measure the height of very tall objects.

Unintended Results

In my first trial of this craft, I chose plastic lacing for my string, because it had a pretty rainbow color, but it was too stiff. Make sure you choose a string that swings freely and is easily flexible.

Keep Tinkering

Take your quadrant on a trip to a city, and see if you can measure skyscrapers

Explored Concepts

taking measurements, research methods

Further Study

Submit Your Results

User-Submitted Photos

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