Lesson 2 - Grade 7 (11-15 May 2009)

1) Discussing the ancient inventors - Al Jazari

This 12th century Islamic inventor wrote a book called " the book of knowledge and ingenious mechanical devices" and laid the grounding for many later inventions in the West. "The Automata" a water driven gear and axle mechanism to hoist water by means of buckets was discussed and explained.

For more information visit:

http://www.history-science-technology.com/Articles/articles%206.htm

2) Wheels - Theory Summary

Types:

Standard wheel, pulley wheel, saw blade

to be completed.

3) 11th Hour - Discussing cultures/bias and the impact of technology.