For better orientation, the materials are sorted by level. Some lower-level materials (e.g. Advent calendar, ecard) may also be fun for students at higher levels.

The University of Wisconsin-Madison Materials Research Science and Engineering Center (UW MRSEC) Interdisciplinary Education Group uses examples of nanotechnology and advanced materials to explore fundamental science and engineering concepts (2013).

The Economics Network of the UK's Higher Education Academy provides resources to support university teachers of economics (2009-18).

Educational Materials by D. G. Mackean (U.K. 2008)

Materials for teaching the topic ”Heredity” to bilingual classes (2009)

Materials for teaching the topic ”Breathing” to bilingual classes (2009)

Educational materials related to global education, interconnectedness, and children’s humanitarian issues (UNICEF 2016)

Classroom tested, Internet-based economic lesson materials for K-12 teachers (USA 2009)

Educational materials from National Geographic (2012)

Educational materials from National Geographic (2012-19)