Login
HOME
PAGES
Pages
ERATOS PROJECT [home page]
Eratosthenes method
Eratos collaborative measure
Pedagogical Module
Work Process
Geogebra geometric figure
Get started with Twinspace
Netiquette on collaboration
ACTIVITIES
World Space Week
&
100h of astronomy
No NooN SHADOW DAYS
20 March (Cayambe)
28 March (Cali)
05 April (Guarne)
07 April (Yarumal)
03 September (Yarumal)
06 September (Guarne)
20 December (Rio de J.)
EQUINOXES & SOLSTICES
20 March Equinox
21 June Solstice
22 September Equinox
21 December Solstice
Eclipse on 10th June
Bibliotheca Alexandrina 2021
N
E
W
S
L
E
T
T
E
R
S
▬
January
▬
February
▬
March
▬
April
▬
May
▬
June
▬
July
▬
August
▬
September
▬
October
▬
November
▬
December
Experimental Activities
The parallelism of the solar rays
Solar noon
The curve of the Earth surface
The angle of the Sun
Alternate interior angles
Multidisciplinary collab. activities
SID2021-MEDIA LITERACY
Math's Special Days
Women in astronomy
An Interview with Eratosthenes
Earth Hour
Posters for Equinox-Solstice
Games
EU Code Week
Winter Holidays Wishes
LIVE events
STATISTICS & EVALUATION
Students evaluation
Teachers testimonials
Quality Labels
Schools EUROPE
Aigio GREECE
Andritsaina GREECE
Athens GREECE
Busteni ROMANIA
Dorohoi ROMANIA
Ilion GREECE
Lafrançaise FRANCE
Mărgineni ROMANIA
Merlara ITALY
Pogana ROMANIA
Montcuq FRANCE
Garmisch Partenkirchen GERMANY
Schools AMERICA
Alta Gracia ARGENTINA
Chivilcoy ARGENTINA
Guarne COLOMBIA
Rio de Janeiro Méier BRAZIL
Rio de Janeiro CENOM BRAZIL
São Mateus BRAZIL
Medellín COLOMBIA
Cali COLOMBIA
Pelotas BRAZIL
Bayamón PUERTO RICO
Patos de Minas BRAZIL
Chivilcoy SCBG ARGENTINA
Santarém BRAZIL
Yarumal COLOMBIA
Magalhães Bastos BRAZIL
Rio Cuarto ARGENTINA
Buenos Aires ARGENTINA
Sault Sainte Marie USA
Schools ASIA
Istanbul TURKEY
Yamunanagar CVRSC INDIA
Irbid military school JORDAN
Meeru Island MALDIVES
Biên Hòa VIETNAM
Mumbai INDIA
Hô Chi Minh City PN VIETNAM
Hồ Chí Minh City NT VIETNAM
Dholpur Dhanora INDIA
Schools AFRICA
Bizerte TUNISIA
Mohammedia TUNISIA
January
01 January
02 January
03 January
04 January
05 January
06 January
07 January
08 January
09 January
10 January
11 January
12 January
13 January
14 January
15 January
16 January
17 January
18 January
19 January
20 January
21 January
22 January
23 January
24 January
25 January
26 January
27 January
28 January
29 January
30 January
31 January
February
01 February
02 February
03 February
04 February
05 February
06 February
07 February
08 February
09 February
10 February
11 February
12 February
13 February
14 February
15 February
16 February
17 February
18 February
19 February
20 February
21 February
22 February
23 February
24 February
25 February
26 February
28 February
March
01 March
02 March
03 March
04 March
05 March
06 March
07 March
08 March
09 March
10 March
11 March
12 March
13 March
14 March
15 March
16 March
17 March
18 March
19 March
20 March
21 March
22 March
23 March
24 March
25 March
26 March
27 March
28 March
29 March
30 March
31 March
April
01 April
02 April
03 April
04 April
05 April
06 April
07 April
08 April
09 April
10 April
11 April
12 April
13 April
14 April
15 April
16 April
17 April
18 April
19 April
20 April
21 April
22 April
23 April
24 April
25 April
26 April
27 April
28 April
29 April
30 April
May
01 May
02 May
03 May
04 May
05 May
06 May
07 May
08 May
09 May
10 May
11 May
12 May
13 May
14 May
15 May
16 May
17 May
18 May
19 May
20 May
21 May
22 May
23 May
24 May
25 May
26 May
27 May
28 May
29 May
30 May
31 May
June
01 June
02 June
03 June
04 June
05 June
06 June
07 June
08 June
09 June
10 June
11 June
13 June
14 June
15 June
16 June
17 June
18 June
19 June
20 June
21 June
22 June
23 June
24 June
25 June
26 June
27 June
28 June
29 June
30 June
July
01 July
02 July
03 July
06 July
08 July
09 July
10 July
11 July
12 July
13 July
14 July
15 July
19 July
20 July
22 July
23 July
24 July
25 July
30 July-Friendship Day
August
01 August
02 August
03 August
05 August
06 August
07 August
08 August
09 August
10 August
11 August
12 August
14 August
15 August
16 August
17 August
18 August
19 August
20 August
21 August
22 August
24 August
25 August
26 August
27 August
29 August
31 August
September
01 September
02 September
03 September
04 September
05 September
06 September
07 September
08 September
09 September
10 September
13 September
14 September
15 September
16 September
17 September
18 September
20 September
21 September
22 September
23 September
24 September
26 September
27 September
28 September
29 September
30 September
October
01 October
03 October
04 October
05 October
06 October
07 October
08 October
09 October
10 October
11 October
12 October
13 October
14 October
15 October
16 October
17 October
19 October
20 October
21 October
22 October
23 October
25 October
26 October
27 October
28 October
29 October
November
02 November
03 November
04 November
05 November
06 November
07 November
08 November
09 November
10 November
11 November
12 November
13 November
15 November
17 November
19 November
20 November
21 November
22 November
23 November
24 November
25 November
27 November
28 November
30 November
December
02 December
03 December
04 December
05 December
06 December
07 December
08 December
09 December
10 December
11 December
13 December
14 December
15 December
16 December
17 December
18 December
19 December
20 December
21 December
22 December
23 December
24 December
25 December
26 December
27 December
28 December
30 December
31 December
Guarne COLOMBIA
Grupo Astrofánaticos