Websites
ChemSpider
Free chemical structure database.
The green dictionary
Terms from food and environmental science, agriculture, forestry, etc.
Integrated Taxonomic Information System (ITIS)
Includes documented taxonomic information of flora and fauna from both aquatic and terrestrial habitats.
International Plant Names Index (IPNI)
Provides nomenclatural information (spelling, author, types and first place and date of publication) for the scientific names of Vascular Plants from Family down to infraspecific ranks. You can search for plant names, authors or publications.
Curriculum for Mathematics year 1–10 (MAT01‑05)
Curriculum for Natural science (NAT01‑04)
Matematikk,net
Resource page in mathematics including discussion forums and exam papers.
Matematikk.org
Free learning resources in mathematics.
Naturfag.no
Website for teachers including learning resources and teaching methods.
Wikispecies
The free species directory that anyone can edit. Covers Animalia, Plantae, Fungi, Bacteria, Archaea, Protista and all other forms of life.