How to put out a fire?

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

The physics of submarines

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

What size are bacteria?

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

Why was World War I so horrible?

This lesson presents the weapons of World War I.

Time

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

Vitamins

In this lesson you will find information about the discovery and classification of vitamins as well as about illnesses caused by vitamin deficiency.

The Doppler effect

This lesson helps to understand the Doppler effect.

Saliva, a versatile body fluid

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

Games Playing with sounds

This lesson introduces some basic ideas about sound.

Do you understand what I am telling you?

In this lesson you will learn about the basics of speech perception and language acquisition.

How can humans speak?

This lesson presents the development of human speech and the structure and functioning of the organs of speech.

How do we hear?

This lesson helps you understand the process of hearing.

Is noise harmful?

Noise surrounds us everywhere, but it can be harmful. Let's see how.

Can we understand the language of animals?

Find out interesting pieces of information about the communication of animals.

The secret life of newborns

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

The structure of atoms

The lesson introduces you to the components of an atom.

The industrial revolution and its consequences

The lesson makes a thorough presentation of the period of the Industrial Revolution and of its social and economic implications.

How can wind energy be used?

This lesson presents how wind energy can be utilised.

How did we conquer space?

This lesson presents the history of human space flight.

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