Lever An Obelisk Published by Public Broadcasting Age Group: Age 8 and Up Type: Science License: free

LEVER AN OBELISK

Your goal is to raise the tip of the obelisk 3 ft. and to support it using as few blocks as possible. To succeed, you need to put the support blocks under the obelisk and the fulcrum.

Ask for a hint if you need it. If you're really stuck, click on 'Do it for me' to see the answer. Become an engineer in ancient Egypt and raise the obelisk!

Download Details

Requires:
Color Mac

Filename: lever.sea.hqx

Filesize: 1.6 Mb

Download Sites:

US : http://www.pbs.org/