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ERATOSTHENIS 2019

29th Chalkida Kindergarden

Etwinning

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presentation of program in 29th Chalkida kindergarden

Αctivities

children are painting

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plastelini

kollaz

video

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creating triangles

the weel

measurements

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triangles from the center of the circle

trigonometric circle

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ppresentation of children

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29TH CHALKIDA KINDERGARDEN IN ZEE MAPS

PRESENTATION OF CHILDREN

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the children painted the experiment of Eratosthenes (his ideas about how the sun's rays fall on earth and the empirical measurement of angles (sun rays, an extension of a rod in Alexandria, an extension of a well in the center of the earth) and their equality

children painting

the children painted the experiment of Eratosthenes (his ideas about how the sun's rays fall on earth and the empirical measurement of angles (sun rays, an extension of a rod in Alexandria, an extension of a well in the center of the earth) and their equality

τα έργα των παιδιών

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kollaz

children are making a group kollaz

plastelini

with plasticine (the sticks drop vertically into the well in the Syne)

children is explaining .

Lorem ipsum dolor sit amet, consectetuer adipiscing elit

with the weel

we did an experiment to see the Eratosthenis well in the enclosure

we did a small experiment to see the Eratosthenes well in the enclosure, the shadow of the rod in the Syne, the change in the size of the shadow of the pole and its movement depending on the movement of the lens

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creating triangles with a cord

creating triangles with a cord

creating triangles with three points of space

height measurements of various objects and shadow lengths, recording them

μετρήσεις ύψους διαφόρων αντικειμένων και μήκη σκιών , καταγραφή αυτών

μετρήσεις ύψους διαφόρων αντικειμένων και μήκη σκιών , καταγραφή αυτών

height measurements of various objects and shadow lengths, recording them

building a trigonomertic circle

building a trigonometric circle with the dolls of our class

creating triangles from the center of the circle with defined two sides and forming the third side

extensions of the shadow as to the circumference of the circle with a cord

shadow lenth measurements at different times and recording them

measurements of shadow length at different times and recording of them We measured a 35-centimeter bar section protruding from a 70 cm rod fixed to a rectangle: 1st measurement, hour: 9: 10, shadow length 53 cm, 2nd measurement, 10:00, shadow length bar protrusion 41 cm 3rd measurement, hour 10:50, bar protrusion length 32 cm 4th measurement, time 11:22, bar stitch length 26 cm 5th measurement, time 12:00, bar stitch length 25 cm 6th measurement, hour 12:34, bar protrusion length 23 cm 7th measurement, 12:40, length projection shadow rod 25 cm

Eratoshenis experiment 21th March

We measured a roll of kitchen towels. The height of 22.5. We measured the length of the shadow in the following times 12:33, 12:35, 12:39, 12:43 and we found the length of the shadow in each measurement

At 12:35, we found the smallest shadow length, which was 19 centimeters. From a computer program we put the elements of the height of the object, the smallest shadow we found, our distance from Ecuador, and the system took out the rest of it. So we found angle 40.17 radius 6196.62 (difference in radius 4.15)

shadow lenth measurements at different times and recording them

measurements of shadow length at different times and recording of them We measured a 35-centimeter bar section protruding from a 70 cm rod fixed to a rectangle: 1st measurement, hour: 9: 10, shadow length 53 cm, 2nd measurement, 10:00, shadow length bar protrusion 41 cm 3rd measurement, hour 10:50, bar protrusion length 32 cm 4th measurement, time 11:22, bar stitch length 26 cm 5th measurement, time 12:00, bar stitch length 25 cm 6th measurement, hour 12:34, bar protrusion length 23 cm 7th measurement, 12:40, length projection shadow rod 25 cm

Eratosthenis experiment

12 June

Eratosthenis experiment in the bridge of Evripos

• 20-6-2019
• 29th Chalkida kindergarden , Greece
• time 13 29
• Strait of Euripus 38.462774 23.588508
• object height 29.3 shade length 6.5

reasults with partners june 2019

https://twinspace.etwinning.net/80611/pages/page/646684?fbclid=IwAR1SqfQPj_TNIiooRnB9Sj-ve3k07wATPre14IgH729gpQ4JQHta3iWYLQU

our foto in vivliotheca Alexandrina

bibliotheca Alexandrina

https://issuu.com/perbosc/docs/alexandria_2019?fbclid=IwAR1Y9tFVcbHCEpSDA9DOP8RiqVbuHs1KACseJ7aAvHAfTixjokkDX0zM_eM

https://twinspace.etwinning.net/80611/pages/page/635396?fbclid=IwAR1eFiH_T5U8OTvij1nFSu4dfR952FFmeS3SAbL_xfotnrNFxfrshMKse3Y'

http://www.fondation-lamap.org/en/page/66136/bibliotheca-alexandrina-2019?fbclid=IwAR2kN9GzMlkGWESsUlrV-JGspPlSsuGtRNclZdgecBaOziNyb9I4XGV8ge8

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Eratosthenis vestivity 2019

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http://www.eratosthenes.eu/spip/spip.php?rubrique290&fbclid=IwAR2gGSlPVXrd-7oDoM1vR2U2542qSHXQ-5fyWcZiakwv1dJoiSoyOfOYE6A

http://www.eratosthenes.eu/spip/spip.php?rubrique290&fbclid=IwAR19umBkFB6fzuyrXeAoCOg9wIQxmFYGphOw248iKjIWpO7xtY1FLPMhRDg

https://twinspace.etwinning.net/80611/pages/page/562077?fbclid=IwAR21-XTFzPvtspQQuR4cQjLq7dpO5kFpcY98MSDrg-OIAZQnsD9oNxPxxyw

June reasults

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https://issuu.com/perbosc/docs/06_june_news?fbclid=IwAR0lHR-7yDJlAmIbSqKnm1qCJz_mt5et7hcFeTd7y2Ow2HPqiMHGthkXlBw

https://issuu.com/perbosc/docs/06_june_news

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THANKS!