TEACHERS
GALLERY
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Published on Nov 29, 2015
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PRESENTATION OUTLINE
1.
CLOCKS
Photo by
big-ashb
2.
STONE CLOCK
2000-3000 BC
The most important clocks.
1.Shadow clocks 3,500 BC
2.Hourglass 3rd century BC
3.Candle clock 5th century
4.Mechanical clock 9 century
5.Pendulum clock 17 century
6.Pocket watch 17 century
3.
Untitled Slide
4.
SHADOW CLOCK
5.
Sundial clock
3rd century BC
6.
HOURGLASS
Photo by
flod
7.
CANDLE CLOCK
8.
WATER CLOCK
9.
CANDLE CLOCK EXPERIMENT
10.
QUARTZ CLOCK
11.
AFTER 2 OR MORE HOURS
Julek Smidow
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