Is noise harmful?

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

How do we hear?

This lesson helps you understand the process of hearing.

Can we understand the language of animals?

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

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.

Games Playing with sounds

This lesson introduces some basic ideas about sound.

What will happen to us?

Let's find solutions to the global environmental issues!

Things you should know about coronaviruses and COVID-19

Simple, straightforward information about the coronavirus epidemic.

What is metabolism?

In the body, substances are continiuously absorbed and released.

What do maps tell us?

A lesson about the various types of maps.

How does the human body change?

A lesson about the changes that take place in our bodies throughout our lifetime.

Our home, the Earth

A lesson about the landforms and continents of Earth.

Invisible animals: worms

Let's learn about the various types of worms by looking at the characteristics of typical species.

Helpers of orientation

In this lesson, you will learn how we can find our way around.

The birth of mountains

In this lesson, you will learn how mountains are formed.

Water project

In this project, you will perform experiments with water.

Decrease the amount of waste

Humans produce an increasing amount of waste. A change in our lifestyle could significantly reduce the production of household waste.


Learn about the concepts of floor plan, map, and map scale.

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