What material are objects made of?

Learn about the properties of materials that objects around us are made of.

Cardiovascular diseases Part 1

This lesson presents some types of cardiovascular diseases, including their diagnoses and treatment options.

Why are there deserts and ice sheets on Earth?

This lesson explains the reasons and consequences of the formation of climatic zones.

Is glass a liquid or a solid?

A lesson about the special properties of glass, the process of glassmaking and the various types of glass.

User manual

A guide about the meaning of icons found in digital lessons and the possibilities of using them.

Let's get to know the faces of forests!

In this lesson you will find out where deciduous forests are located on the Earth and their fauna and flora.

The invisible killers, or What can we do against carbon oxides?

In this lesson, you can learn about carbon monoxide and carbon dioxide.

Water below the surface of Earth

A lesson about the various types of underground waters and their properties.

Geothermal energy

Where does the energy of Earth come from and how can we use it?

The Age of Discovery

Let's get on board with legendary navigators!

Ancient Egyptian deities

Dive into the mysterious world of Ancient Egyptian religion.

The pharaohs of Ancient Egypt

The ancient Egyptian empire was led by pharaohs, considered sons of the Sun god.

Ancient Egyptian pyramids

Pyramids are the best known Ancient Egyptian structures.

Tutankhamun

Breaking news: Howard Carter discovered Tutankhamun's tomb!

Can chickens fly?

A lesson about the anatomy and lifestyle of chickens.

A glance into space

A lesson about the structure of the Universe and the Solar System.

Why do we cry when chopping onions?

A lesson about the anatomy and development of onions.

Where does waste water go?

This lesson presents the production of waste water, its treatment and environmental impact.

Let's watch polar lights

Let's find out interesting facts about the flora and fauna of polar regions and the living conditions in those areas!

How to put out a fire?

In this lesson you will familiarise yourselves with the basics of firefighting.

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