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.

How do we hear?

This lesson helps you understand the process of hearing.

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.

Am I healthy? Can I be ill?

“Health” and “illness” refer to two opposite states of the body. This lesson is about these states.

Weed or herb?

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

Our home, the Earth

A lesson about the landforms and continents of Earth.

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.

Is the buoyant force with you?

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

Mountains of fire

Learn about the inner forces of Earth and the formation of volcanoes.

From root to leaf

Let's follow the path of water in plants from the roots to the leaves

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.

Common field crops

Get to know some of the plants that are grown in agricultural fields.

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.

The restless Earth

How are earthquakes formed? What keeps tectonic plates in motion?

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