Collect as many of the following items as possible. Each item will be awarded a mark out of ten for its quality or the ingenuity involved in finding it.

ITEM | SCORE | |
---|---|---|

A twig exactly 12 inches long | ||

Five pebbles, together weighing exactly a pound | ||

A pendulum which swings an exact second | ||

A natural spiral | ||

A perfectly symmetric leaf | ||

An item with rotational symmetry | ||

A perfect equilateral triangle, made from natural materials, laid out on the ground, each side at least 2m long | ||

Two congruent shapes | ||

Two similar shapes | ||

A green blade | ||

Find two trees exactly 5m apart | ||

Work out the direction of the sun from this place | ||

A natural fractal, length exactly twice the width | ||

Something never been seen before | ||

A Fibonacci number in nature | ||

Fir cone, 5cm long | ||

Total |