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Eratosthenes 2024

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Europe Day at "Constantin Noica" Theoretical High School Sibiu, Romania

Drawing flags of the European countries
Europe Day at "Constantin Noica" High School - drawing flags

17/4/24 Measurement and Videoconference

17/4/24
1st High School of Aigio, Greece
Latitude : 38.252 N Longitude: 22.079E
Gnomon: 30 cm Shadow: 15.5 cm Angle: 27.3
Measurement during student video conference.
 
 

20-3-24 Equinox activities in Aigio

20/3/2024 Equinox day

Gnomon: 31.1 cm, Shadow: 24.7 cm, Angle: 38.5

Summary of equinox activities in Aigio:

-Discussion about the equinox day and the Eratosthenes experiment

- Use of the spirit level to find horizontal places in our school yard. (Experimental activity)

- Calculation contest: students were divided in four small teams. Each team chose a gnomon, found a horizontal place in our school yard and at solar noon made measurements and wrote down the length of the gnomon and their shadow.  Afterwards,  all teams, in our school lab, entered their data in an excel sheet and wrote down the angle and the circumference of the Earth. Best results km by two teams.

Results by the five teams: 

Gnomon: 36.2 cm, Shadow: 29.6 cm Circumference: 38.940km (Alexis, Marios, Fanis, George)

Gnomon:50 cm Shadow: 39 cm  Circumference: 40273 km (Elena, Fationa)

Gnomon:49,9 cm Shadow: 38 cm  Circumference: 41.028 km (Aristotelis, George, Andreas, Konstantinos, Bill)

Best result:: Gnomon:31,1 cm  Shadow: 24,7 cm  Circumference: 39.750 km (Pigi, Roula, Anastasia, Despoina, Panagiota)

Photographs in the following presentation

 

 

Welcome Spring!!!!

 

20/2/24 and 27/2/24

1st High School of Aigio

Tuesday 20/2/24 Short presentation of the Eratosthenes experiment in the classroom. Students wrote comments and questions on a padlet.

 

Tuesday 27/2/24 Experimental activity: parallelism of solar rays. Students edited the photo in the school lab adding sun rays using image processing program. The parallelism of sun rays was obvious.

 

Measurement 27/2/24

Latitude : 38.252 N Longitude: 22.079E

Gnomon: 30 cm Shadow: 32.2 cm Angle: 47

 

 

 

Aigio measurement 13-2-2024 - Safer internet activity

13/2/2023

1st High School of Aigio, Greece

Latitude : 38.252 N Longitude: 22.079E

Gnomon: 30 cm Shadow: 38 cm Angle: 51.7

Measurement in our school yard. Safer internet activity in the classroom.

 

 

 

Folder with posters made by students. Content will be added in the following days

 

 

Aigio - Measurement 19-1-24

19-1-2024

1st High School of Aigio, Greece

Latitude : 38.252 N Longitude: 22.079E

Gnomon: 30 cm Shadow: 49.5 cm Angle: 58.8

 

 

Aigio, 16-1-23

Students created avatars and presented themselves in the following padlet:

 

Έγινε με το Padlet