The National Science Teachers Association (NSTA), founded in 1944 is an association of science teachers in the United States and is the largest organization of science teachers worldwide

The British Science Association is the UK's nationwide, open membership organisation, which provides opportunities for people of all ages to learn about, discuss and challenge the sciences and their implications.

The American Association for the Advancement of Science, "Triple A-S" (AAAS), is an international non-profit organization dedicated to advancing science around the world by serving as an educator, leader, spokesperson and professional association.

The Dutch Association for Teacher Educators VELON is an association for professionals involved in (both pre- and in-service) teacher education in The Netherlands.

The Dutch association for Mathematics teachers.

An interactive periodic table by the Royal Society of Chemistry.

Kennisnet is the public organization for Education & ICT. They provide a national ICT-infrastructure, advise the sector councils and share our knowledge with the primary education, secondary education and vocational education and training.

Platform for open educational resources (OER). Currently only available in Dutch.

The place for open educational resources in higher education.

Dutch audiovisual archives: radio and television programmes, films, music and photographs

POGIL (Process Oriented Guided Inquiry Learning) is a pedagogical method devised to teach process skills. It was originally devised by professors at Franklin and Marshall College and the State University of New York, Stony Brook for use in teaching general chemistry.

Scitable is an open, high quality science teaching and learning site from Nature Publishing Group.