- Oksīdi

-
Oksīdi
Elementary school
Presentations10
Chemistry
-
Oksīdi
Elementary school
Presentations9
Chemistry
-
Slāpeklis
Elementary school
Presentations12
Chemistry
- Jods kā ķīmisks elements

-
Jods kā ķīmisks elements
Elementary school
Presentations15
Chemistry
-
Kaitīgās vielas un to ietekme uz veselību
Elementary school
Presentations28
Chemistry, Anatomy, Medicine and Hygiene
-
Ķīmisko vielu ietekme uz veselību
Elementary school
Presentations13
Chemistry, Anatomy, Medicine and Hygiene
- Kaitīgās vielas un to ietekme uz veselību

-
Kaitīgās vielas un to ietekme uz veselību
Elementary school
Presentations28
Chemistry, Anatomy, Medicine and Hygiene
-
Mazgāšanas līdzekļu ietekme uz vidi
Elementary school
Presentations9
Environmental Protection, Chemistry
-
Piekrastes tūrisma ietekme uz vidi
Elementary school
Presentations10
Environmental Protection, Tourism, Traveling
- Metāli un nemetāli

-
Metāli un nemetāli
Elementary school
Presentations14
Chemistry
-
Rubīdijs
Elementary school
Presentations4
Chemistry
-
Slāpeklis
Elementary school
Presentations12
Chemistry
- Kaitīgās vielas un to ietekme uz veselību

-
Kaitīgās vielas un to ietekme uz veselību
Elementary school
Presentations28
Chemistry, Anatomy, Medicine and Hygiene
-
Minerālvielas
Elementary school
Presentations4
Biology, Chemistry
-
Vitamīni
Elementary school
Presentations14
Biology, Chemistry