Saliva, a versatile body fluid

In this lesson you will learn more about this special liquid.

Why was World War I so horrible?

This lesson presents the weapons of World War I.

The secret life of newborns

Learn more about the early stages of human development with this lesson.

Where does waste water go?

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

Time

In this lesson you will familiarise yourselves with the concept of time.

And yet it moves Part 1

This lesson provides evidence of Earth's rotation and presents its consequences.

Let's go on a safari!

In this lesson you will find out where savannahs are located on Earth and will learn...

What size are bacteria?

This lesson presents the structure and classification of bacteria and the role they play...

The industrial revolution and its consequences

The lesson makes a thorough presentation of the period of the Industrial Revolution and...

How can wind energy be used?

This lesson presents how wind energy can be utilised.

Is water essential for life?

Water is one of the most important substances on Earth. Let's learn more about it.

How does soil form?

This lesson presents soil formation, the components of soil, and soil protection.

The structure of atoms

The lesson introduces you to the components of an atom.

The physics of submarines

This lesson presents the concepts of density and buoyancy through the operation of the...

Prehistoric artists

Travel back in time and explore the beginnings of art, familiarise yourselves with the...

How does our heart beat?

This lesson presents the structure and functioning of the heart and how it can be protected.

How did we conquer space?

This lesson presents the history of human space flight.

The physics of bicycles

This lesson presents some of the laws of physics through the operation of the bicycle.

Which devices do we use infrared light?

You can learn about the use of infrared radiation in our everyday lives.

And yet it moves Part 2

The lesson introduces you to the movement of Earth around the Sun.

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