How do we hear?

This lesson helps you understand the process of hearing.

Games Playing with sounds

This lesson introduces some basic ideas about sound.

Can we understand the language of animals?

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

Is noise harmful?

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

How can humans speak?

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

Do you understand what I am telling you?

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

What will happen to us?

Let's find solutions to the global environmental issues!

The giants of the Solar System

This lesson introduces you to the outer planets of the Solar System, that is the giant planets.

Space adventurers: Space travel

In this lesson you will learn about the presence of humans in space in the past, present and future.

Do reptiles ever get cold?

This lesson presents interesting facts about reptiles and their life.

How did humans conquer the air?

This lesson presents the most important milestones in the history of aviation.

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.

Are all forests alike?

This lesson presents the different types of forests and their layers.

The anatomy of the heart (intermediate)

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

Are poison dart frogs poisonous?

Find out interesting facts about the anatomy of amphibians and their vital processes.

Sound waves all around us • Part 1

This lesson is about the sound waves surrounding us.

How to feed your T-rex

The lesson introduces you to the features of Tyrannosaurus rex.

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!

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.

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