- Kālijs

-
Kālijs
Elementary school
Presentations6
Chemistry
-
Plastmasa
Elementary school
Presentations11
Chemistry
-
VI B grupa
Elementary school
Presentations16
Chemistry
- Bīstamie atkritumi

-
Bīstamie atkritumi
Elementary school
Presentations14
Environmental Protection, Chemistry
-
Savvaļas kaķi
Elementary school
Presentations5
Geography, Environmental Protection, Biology
-
Sociālā reklāma - par atkritumiem mežā
Elementary school
Presentations1
Marketing, Advertising, Environmental Protection, Biology
- Bīstamie atkritumi

-
Bīstamie atkritumi
Elementary school
Presentations14
Environmental Protection, Chemistry
-
Titāns
Elementary school
Presentations11
Chemistry
-
Varš (Cuprum)
Elementary school
Presentations16
Chemistry
- Akumulatori

-
Akumulatori
Elementary school
Presentations7
Vehicles, Physics, Chemistry
-
Bīstamie atkritumi
Elementary school
Presentations14
Environmental Protection, Chemistry
-
Reaktīvie dzinēji
Elementary school
Presentations23
Physics, Biographies
- Ogleklis

-
Ogleklis
Elementary school
Presentations15
Chemistry
-
Olbaltumvielu denaturācija
Elementary school
Presentations4
Chemistry
-
Plastmasa
Elementary school
Presentations11
Chemistry