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What material are objects made of?

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

A Journey to the Centre of Earth

This lesson presents the internal structure of Earth, the geospheres and their general...

Do lichens damage trees?

In this lesson you will familiarise yourselves with special organisms, that is lichens.

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...

Let's watch the auroras!

Let's find out interesting facts about the flora and fauna of polar regions and the...

How do single-celled organisms move?

Let's catch a glimpse into the world of microscopic unicellular organisms!

How long have we used fire?

In this lesson you will learn about the history of fire and the conditions necessary for...

How do birds fly? Part 1

The plumage and streamlined bodies of birds play a key role in flying.

How do birds fly? Part 2

Let's examine the anatomy of birds and their vital processes from the point of view of...

The anatomy of the heart (intermediate)

This lesson introduces the position and anatomy of the heart, as well as the blood flow...

The human urinary system

This lesson presents the structure and functioning of the human urinary system.

How is the aluminium foil made?

This lesson presents the properties, production, and use of aluminium.

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