How can humans speak?

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

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 do we hear?

This lesson helps you understand the process of hearing.

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.

Things you should know about coronaviruses and COVID-19

Simple, straightforward information about the coronavirus epidemic.

What will happen to us?

Let's find solutions to the global environmental issues!

Insects in the forest

Numerous insects live on tree trunks, in the foliage and on the ground. Let's learn about some species.

What is metabolism?

In the body, substances are continiuously absorbed and released.

Is the buoyant force with you?

In this lesson, you will learn about buoyancy and the conditions of floating for objects.

The birth of mountains

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

The material and energy flow of households

Apartments are like living organisms, there is a constant exchange of energy and materials between apartments and the environment.

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.

Water project

In this project, you will perform experiments with water.

How does the human body change?

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

Invisible animals: worms

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

Legends and facts – Who was Albert Einstein?

Albert Einstein’s life is surrounded by numerous legends, but the facts about him are also quite interesting.

Weed or herb?

There are plenty of weeds and herbs on fields, agricultural areas and even in carefully tended gardens.

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