Let's measure time!

This lesson presents timekeeping devices and the types and units of time measurement.

A Journey to the Centre of Earth

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

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 the combustion with flame.

Who would make a good sentinel?

Learn about the human sense organs and their functions and how to keep them healthy.

Deep in the Jungle

In this lesson you will find out where tropical rainforests are located on Earth and learn about their fauna and flora.

The quest for the philosopher's stone.

In this lesson you will learn about the mysterious world of alchimists.

Let's watch the auroras!

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

Become a forensic anthropologist

Find out what types of bones there are and what anthropologists do!

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 their fauna and flora.

Cardiovascular diseases Part 1

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

How do birds fly? Part 2

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

How is the aluminium foil made?

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

Mineral or rock?

In this lesson you will learn more about minerals and rocks.

The Sun - a source of energy

In this lesson you will learn about the Sun and how solar energy can be used.

Pitch and frequency, Part II

Experience the relationship between pitch and frequency through measurements.

The wave phenomena of sound

When does echo form? Why does sound spread easier at night? What is the secret to a good concert hall?

Is air visible?

This lesson introduces the properties of air.

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