Learn about the properties of materials that objects around us are made of.
This lesson presents some types of cardiovascular diseases, including their diagnoses and treatment options.
This lesson explains the reasons and consequences of the formation of climatic zones.
A lesson about the special properties of glass, the process of glassmaking and the various types of glass.
A guide about the meaning of icons found in digital lessons and the possibilities of using them.
In this lesson you will find out where deciduous forests are located on the Earth and their fauna and flora.
In this lesson, you can learn about carbon monoxide and carbon dioxide.
A lesson about the various types of underground waters and their properties.
Where does the energy of Earth come from and how can we use it?
Let's get on board with legendary navigators!
Dive into the mysterious world of Ancient Egyptian religion.
The ancient Egyptian empire was led by pharaohs, considered sons of the Sun god.
Pyramids are the best known Ancient Egyptian structures.
Breaking news: Howard Carter discovered Tutankhamun's tomb!
A lesson about the anatomy and lifestyle of chickens.
A lesson about the structure of the Universe and the Solar System.
A lesson about the anatomy and development of onions.
This lesson presents the production of waste water, its treatment and environmental impact.
Let's find out interesting facts about the flora and fauna of polar regions and the living conditions in those areas!
In this lesson you will familiarise yourselves with the basics of firefighting.