Exploration Phase
Teacher asks children to do research, about renewable energy sources. Children bring the school information and
documents they found. Children share this information and documents with friends. The teacher asks children
how to run machines without battery, brainstorming is done. Electric circuit is made with salt ceramic pulp.
https://www.youtube.com/watch?v=9KVPxqIbZOI
Electrical circuit is made with salt ceramic pulp, 9V battery, battery head, 4-5 pieces led. An evaluation is made
with children about whether this circuit will run the toy. Children watch videos about water-powered machines.
https://www.youtube.com/watch?v=go_H6Kx8SFA
Explanation Phase
Works and inventions of the scientists and artisans Jazari and Leonardo Da Vinci, who lived thousands of years
ago, are examined by children.
http://www.cezerimuzesi.com/
http://www.museodavinci.it/
https://www.gercekbilim.com/leonardo-da-vinci-bolum-2-icatlar/
Who is Jazari? (1136 - 1206)
Jazari has made machines that use only water and mechanical parts without using electricity and his works are
used in daily life. He whose full name is Badi’ al-Zaman Abu al-‘Izz ibn Isma’il ibn al-Razzaz al-Jazari was an
engineer who lived around the year 1200 in the Artuqid period in the region of Diyarbakır (Amid). He made all
his inventions 150 years before Leonardo and he has published these inventions.
Jazari is known for his extraordinary discoveries in the history of science and technology. The book entitled
Useful Facts and Applications in Machine Construction is the most famous and the most perfect book in this
field.
Jazari gives detailed design of 50 machines in his book. These machines; 6 of them water clock 4 of them waxed
clock, 6 of them ewer, 7 of them entertainment automat, 3 of them automat to take ablution, 4 of them blood
collection apparatus, 6 of them sprinkler, 4 self-sound vehicles, 2 locks, 1 goniometer, 1 boat water clock and
Amid City gate.