Eratosthenes Goes Green

Vorgesehener Endnutzer: Lehrer, Lehrerausbilder

Altersgruppe: Sekundarstufe I; Sekundarstufe II

Lehrplan der Schule: Maths; Science; Social & Environment Science; Languages;  Applied Science

Themen und Fragestellungen: Energy Use and Production; Collective Action; Environmental Change; Futures Thinking; Information & Knowledge; Pedagogy Approaches

Dauer: Approximately 4 teaching hours

Art der Ressource: Experiment, Lesson Plans

Schlüsselwörter: Solar Panels, Equinox, Energy, Latitude, Sustainability

Sprachen: English, Greek


Beschreibung

Over 2,400 years ago, Eratosthenes measured Earth’s circumference using geometry, shadows, and observations. Today, students replicate this method by using solar panels to measure the Sun’s angle at noon, optimizing panel tilt for maximum solar efficiency. This activity combines geography, physics, and sustainability while fostering teamwork and critical thinking. Through data collection and analysis, participants explore Earth’s curvature, solar energy principles, and their practical applications.

The activity encourages critical thinking about renewable energy and human impact on Earth’s climate. Students use real-world tools like multimeters and collaborate to calculate results. This engaging experience supports the development of scientific literacy and environmental awareness.


Wie Sie diese Ressource nutzen können

In this activity, the teacher begins by introducing students to Eratosthenes’ experiment, explaining how he measured the Earth’s circumference using shadows and geometry. Next, the teacher provides a brief overview of how solar panels work, focusing on how sunlight is converted into electrical energy.

In the following lesson, which should be scheduled during the equinox, students use a solar panel and a multimeter to measure the panel’s voltage and current. Through hands-on experimentation, they explore how different panel inclinations affect solar power output, discovering the relationship between solar angles, energy efficiency, and the Earth’s latitude.

The activity concludes with a reflection and discussion about the findings, supported by worksheets and a short assessment to consolidate learning.


Die Ressourcen

You will find the Eratosthenes Goes Green experience here:




Creative Commons

Namensnennung Creative Commons

This resource has been created by Ellinogermaniki Agogi and has been shared to SYNAPSES Academy under written permission.


SDGs

Qualität der Bildung
Erschwingliche und saubere Energie
Klimamaßnahmen

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