You may also like

problem icon

First Forward Into Logo 1: Square Five

A Short introduction to using Logo. This is the first in a twelve part series.

problem icon

First Forward Into Logo 10: Count up - Count Down

What happens when a procedure calls itself?

problem icon

The Moving Planets

Mathematics has always been a powerful tool for studying, measuring and calculating the movements of the planets, and this article gives several examples.


Age 7 to 16 Challenge Level:

Keep everything constant except that which you are testing, and perform each experiment more than once and take average results.
You could keep the helicopter in the same proportions, but gradually increase its overall size, or keep the width of the wings and the body constant, and gradually increase the length of the wings and body.