ERATOSTHENES MEASUREMENT APPLICATIONS IN MATHEMATICS AND PHYSICS LESSONS

Eratosthenes was a :

astronomer

mathematician...

geographer

poet What has remained famous?

the first person to calculate the CIRCUMFERENCE of EARTH he introduced an effective method of determining PRIME NUMBERS – sieve

the first man who created a MAP of the world, including MERIDIANS and PARALLELS he is the founder of the SCIENCE of HISTORY

He is the founder of MATEMATICAL GEOGRAPHY

Calculate the circumference of the Earth

Calculate your COORDINATES by using either a MAP or GOOGLE

EARTH and determine the distance to the TROPIC OF CANCER, to

the TROPIC of CAPRICORN, ECUATOR or depending on distance

latitudes of the schools who performed experimental determinations

5

u1 u2

u1 = 45.3°

u2= ?°

20 march 2016 21 march 2016 - spring equinox

measured value = 44.9 °

the value of the theoretical calculation = 45.03°

the error = 0.03°

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[2].https://en.wikipedia.org/wiki/Eratosthenes

[3].http://www.eaaeastronomy.org/eratosthenes/images/documents/howto

calculate.pdf

[4 https://plus.google.com/+IulianaCiubuc/posts].

[5].http://eratosthenes.ea.gr/sites/default/files/sun_shade.jpg

[1] https://twinspace.etwinning.net/16393/pages/page/90984.

[6] https://www.facebook.com/iuliana.ciubuc1

[7] http://photopeach.com/myshows.

[8] http://slide.ly/user/iulianaciubuc

[9] https://pf.kizoa.com/i-Contact/hmenuc2.jsp?rmode=0&phpsession

=&lang=en-us&country=IT&_

_utma=1.1333793610.1450672134.1465421591.1465799073.29&_

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=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided)&_

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[10]

https://issuu.com/iulianaciubuc/docs/eratosthenes_measurement_applicatio

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