This presentation is about atoms and ions. You will find out what parts are in atoms, how works electrons and protos and what is ions.
This presentation cover an introduction and explains detailed information about photosynthetic reactions and Calvin cycle.
This presentation focus on atmosphere. You will learn about elements, compounds and mixtures and have chance to grow crystals.
This presentation focus on sharks and rays. You will find activities and links to video resources.
This presentation covers basic information about viruses and immunity.
This presentation covers the topic of human respiration with consequences of Covid-19 and the chest infections.