The Siemens Stiftung Media Portal

Looking for high-quality teaching material?

The Media Portal offers around 3,200 open educational resources to help teachers provide a diverse, real-world-oriented classroom experience. Whether it’s mathematics, biology, computer science, physics, or chemistry: Here you’ll find a large selection of free digital teaching materials – from worksheets to content packages for interactive whiteboards to exciting educational games. Are you using methods such as inquiry-based learning, inclusive learning, Service-Learning or Design Thinking? Our Media Portal has lots of information and materials on this as well.

The Media Portal and the materials are available in English and German. The roughly 1,300 Spanish media have been moved to our new CREA (Centro de Recursos Educativos Abiertos) educational portal for Latin America.

“KittyQ – A Quantum Adventure” game app

The doorbell rings. Someone has left a box at the door – and a cute kitten is sitting inside, half dead, half alive. Based on Schrödinger’s thought experiment, the KittyQ game app takes students 11 years and older on an adventure through the world of quantum physics. It’s an unusual media tip for STEAM teaching that encourages students to experiment while having fun.

Scifest Africa 2022: Back to the Basics

After two years online, Scifest Africa 2022 is returning live: South Africa‘s National Science Festival will run September 7-13 in Makhanda. Inspired by UNESCO’s current International Year, festival organizers are focusing on the key role of Basic Sciences for Sustainable Development during workshops and events. Teachers may visit the exhibition free of charge.

Open Education Week celebrates 10th anniversary

From March 7 to 11, 2022, OE Week will begin its annual exchange on the latest achievements of Open Education around the world – online, free, and open to all. Be inspired, learn about new projects, or submit your own contribution.

Playing with the climate – and learning a lot

Global warming can only be stopped if everyone works together: In the multiplayer game KEEP COOL mobil, your students virtually take control of global metropolises and directly experience how their local decisions impact the global climate. But watch out: If the temperature indicator increases by over 2°C, everyone loses the game!

Register now: First global 48-hour festival all about OER

The first will take place December 9-11, co-hosted by the German Commission for UNESCO. For 48 hours online, everyone worldwide can learn, share, and network about Open Education. You will learn about international projects and players true to the motto “Act locally – share globally.”

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Make the classroom your laboratory

Our international educational program Experimento presents real-world science and technology content. Students can work entirely on their own to discover interrelationships around the themes of health, energy, and the environment. The content addresses value-shaping issues to help students develop socially aware, conscientious behavior.

All Experimento media can be found here.


Here you can find our editor picks: media packages on topical themes or materials that were particular favorites among our users ...

New: Training on stochastics – Part II

Can you control random events? When is a statistic reliable? The second block of our three-part Training on stochastics emphasizes the systematic treatment of random events and the critical examination of data and statistics. Prof. Dr. Kristina Reiss presents the content prepared didactically for teaching in short video clips – in a lively manner and relevant to everyday life.

New on the Media Portal: WBT on being a Paramedic

Paramedics play a crucial role in strengthening the African health system. What does a day in the life of a paramedic look like? What are the job prospects and what do your students already know about sensory organs, hygiene and wound healing? By combining STEAM and vocational orientation through practical examples our new Web-based training (WBT) on Being a Paramedic helps students discover if they can see themselves in this field of work.

New: Basics of micro­controller programming

How could you determine the concentration of COVID-19 virus aerosols in a classroom? How do you modify an Arduino sketch so that an LED blinks differently? These and other questions are addressed in ten experiments in our new media package Basics of microcontroller programming – using Arduino. The goal is to show students how programming works and to convey ways of thinking that help them in the digitalized world (Computational Thinking).

New: Value education in STEM lessons

The Value education in STEM lessons media package contains worksheets for students and the related instructions for teachers to support value education in STEM teaching. It uses methods such as biographical learning, the value square, and the imaginary journey. The 12 individual media files are suitable for grades 1 to 9.

New: Vocational Orientation WBT as individual media

The videos and audio interviews included in the Web-based trainings Being an agripreneur and Being an electrician are now also available individually. This allows teachers to access them instantly without navigating through the whole training course. Educators can leverage the Vocational Orientation content on the Media Portal to support their efforts to bridge the gap between STEM theory and practice.

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Stay up-to-date!

About four times a year, we inform you about new media on this portal as well as current studies and events related to OER and STEM.

Media Portal newsletter – register now

About four times a year, we inform you about new media on this portal as well as current studies and events related to OER and STEM.

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Liebe Nutzerin, lieber Nutzer,
El Portal de Medios – das spanische Medienportal – ist umgezogen und heißt nun CREA.
Auf CREA finden Sie weiterhin hochwertige Medien für den MINT-Unterricht und vieles mehr.

Dear User,
El Portal de Medios - the Spanish Media Portal - has moved and is now called CREA.
On CREA, you will continue to find high-quality media for STEM education and much more.

Estimado usuario, estimada usuaria,
El Portal de Medios – en español – ha sido trasladado y ahora se llama CREA.
En CREA seguirá encontrando medios de alta calidad para la enseñanza de STEM, y mucho más.

Zu CREA wechseln / Switch to CREA / Cambiar a CREA
CREA - El Portal de Medios para la Enseñanza STEM

Hierbleiben / Stay here / Quédate aquí:
Fenster schließen / Close window / Cerrar ventana