User manual

A guide about the meaning of icons found in digital lessons and the possibilities of using them.


Author: Horváthné Kunstár Andrea

Reviewer: Jóri Johanna, Molnár Mónika, Molnár László


Help, tutorial, help, Digital lessons, icons, icon, suggestion, 3D, video, tools, menu, lesson plan, lesson

Related items

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10 things to know about the human brain

Learn interesting facts about the structure and function of the human brain.

A glance into space

A lesson about the structure of the Universe and the Solar System.

A Journey to the Centre of Earth

This lesson presents the internal structure of Earth, the geospheres and their general properties.

Activity? Radio? Radioactivity!

This lesson presents the discovery of radioactive radiation and its positive and negative applications.


This lesson presents the harmful effects of addictions on the human body.

Alexander Graham Bell

Learn about the life and work of Alexander G. Bell

Am I healthy? Can I be ill?

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

Ancient Egyptian deities

Dive into the mysterious world of Ancient Egyptian religion.

Ancient Egyptian pyramids

Pyramids are the best known Ancient Egyptian structures.

And yet it moves Part 1

This lesson provides evidence of Earth's rotation and presents its consequences.

And yet it moves Part 2

The lesson introduces you to the movement of Earth around the Sun.

Anton Pavlovich Chekhov

In this lesson, you can learn about the famous Russian writer.

Are all forests alike?

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

Are poison dart frogs poisonous?

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

Are there mutants among us?

This lesson presents mutation types, their frequency and underlying causes.

Are there purple cows?

Cattle is a large, domesticated vertebrate. Let's learn more about it.

Arthropods in the water

Arthropods can be found on shores, on the surface of waterbodies and underwater.

Beasts of the forest

Learn about the deer and the wild boar, two large animals that inhabit temperate deciduous forests.

Become a forensic anthropologist

Find out what types of bones there are and what anthropologists do!

Can chickens fly?

A lesson about the anatomy and lifestyle of chickens.

Can we understand the language of animals?

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

Can we vacuum on the Moon?

This lesson explains the concept of atmospheric pressure.

Can you eat chili peppers?

A lesson about pepper plants, their anatomy and history.

Cardiovascular diseases Part 1

This lesson presents some types of cardiovascular diseases, including their diagnoses and treatment options.

Cold or hot?

In this lesson, we try to find answers to questions about temperature.

Common field crops

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

Creative destruction

Over millions of years, even mountains are transformed.

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.

Deep in the Jungle

In this lesson you will find out where tropical rainforests are located on Earth and learn about their fauna and flora.

Do fish drink?

In this lesson you will learn more about the life of fish.

Do lichens damage trees?

In this lesson you will familiarise yourselves with special organisms, that is lichens.

Do plants move?

Plants also move. Although they do not have muscles, they can change the position of their organs.

Do reptiles ever get cold?

This lesson presents interesting facts about reptiles and their life.

Do storks really deliver babies?

This lesson presents everything related to human reproduction.

Do we become what we eat?

The lesson presents the components of a healthy diet.

Do we have time to help others?

It is important to pay attention to each other, to learn about different, real life situations and to know the reasons for those.

Do you feel good in your skin?

A lesson about the functioning and health of the human skin.

Do you have enough energy?

In the lesson, you will learn how many minutes of running uses up the energy that a chocolate bar gives you.

Do you like chips?

A lesson about potatoes and potato beetles.

Do you understand what I am telling you?

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

Does wind have energy?

This lesson presents the old and modern ways of utilising wind energy.

Einstein's discoveries

Albert Einstein was one of the most acknowledged and best-known scientists of the 20th century. Do you know what discoveries he made?

Energy cannot be destroyed, it simply transforms

Az energia mint mennyiség nagyon sok formában fordul elő, és az egyes energiafajták különféle változások során egymásba is alakulnak.

From root to leaf

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

Games Playing with sounds

This lesson introduces some basic ideas about sound.

Gauss, the prince of mathematics

Why is Gauss often called the Prince of mathematics?

Geothermal energy

Where does the energy of Earth come from and how can we use it?

Go with the flow

In this lesson, you can get to know some interesting facts about flows of fluids and gases.

Gothic art

Gothic art was a style of medieval art that developed in France.

Helpers of orientation

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


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

How are rocks made?

You can follow the process of the formation of rocks.

How can humans speak?

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

How can hydropower be utilised?

This lesson presents the possibilities for utilising hydropower.

How can solar energy be utilised?

This lesson presents the possibilities for utilising solar energy.

How can we group chemical reactions?

The experiments in this lesson will introduce you to the various types of chemical reactions.

How can wind energy be used?

This lesson presents how wind energy can be utilised.

How did humans conquer the air?

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

How did we conquer space?

This lesson presents the history of human space flight.

How do animals see?

This lesson presents the vision and the evolution of eyes of animals.

How do birds fly? Part 1

The plumage and streamlined bodies of birds play a key role in flying.

How do birds fly? Part 2

Let's examine the anatomy of birds and their vital processes from the point of view of flying.

How do birds fly? Part 3

Learn about the migration and reproduction of birds.

How do objects interact?

A lesson about the various types of physical interactions.

How do single-celled organisms move?

Let's catch a glimpse into the world of microscopic unicellular organisms!

How do we hear?

This lesson helps you understand the process of hearing.

How do we see? The human eye

This lesson presents the anatomy of the eye, the mechanism of vision, and common vision problems.

How does our heart beat?

This lesson presents the structure and functioning of the heart and how it can be protected.

How does soil form?

This lesson presents soil formation, the components of soil, and soil protection.

How does the human body change?

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

How fast are your reflexes?

The lesson introduces you to our innate and learnt reflexes.

How is the aluminium foil made?

This lesson presents the properties, production, and use of aluminium.

How is the human body built up?

Learn how the human body is built up and about the differences between men and women.

How long have we used fire?

In this lesson you will learn about the history of fire and the conditions necessary for the combustion with flame.

How's the weather?

Learn about the concepts of wind and precipitation.

How to become an earthworm farmer

A lesson about the most important characteristics of the common earthworm.

How to feed your T-rex

The lesson introduces you to the features of Tyrannosaurus rex.

How to put out a fire?

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

I study at home: Waterfront plants and their uses

In this lesson, you will learn about waterfront plants and what they can be used for.

Insects in the forest

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

Insects vs. insectivores

In summer, meadows are full of noisy bugs. Like always, if there are a lot of bugs, there will be a lot of animals feeding on them as well.

Invisible animals: worms

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

Is air visible?

This lesson introduces the properties of air.

Is climate permanent or changing?

This digital lesson is about climate and factors that can modify the climate.

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.

Is noise harmful?

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

Is the buoyant force with you?

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

Is water essential for life?

Water is one of the most important substances on Earth. Let's learn more about it.

Join the caravan!

This lesson presents deserts and their flora and fauna.

Journey from source to mouth

Let's follow a river's journey from its source to its mouth.

Journey to the Gutenberg Galaxy

In this lesson you will learn about the history of writing.

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.

Let's dive!

In this lesson you can learn about the flora and fauna of seas.

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.

Let’s get to know the sources of sound!

Let's use musical instruments and our vocal cords as sources of sound.

Let's go fishing!

This lesson introduces the anatomy and lifestyle of fishes through the examples of the common carp and the European catfish.

Let's go on a safari!

In this lesson you will find out where savannahs are located on Earth and will learn about their rich fauna and flora.

Let's measure things

Playful tasks for practising measurements, quantities and units of measurements.

Let's measure time!

This lesson presents timekeeping devices and the types and units of time measurement.

Let's play with fire

In this lesson, we will perform fire-related experiments.

Let's practice positioning!

This lesson helps you understand what geographic coordinates are and how to use them.

Let's watch polar lights

Let's find out interesting facts about the flora and fauna of polar regions and the living conditions in those areas!

Living fossils

Learn about animal species that emerged in the distant past and stayed mostly unchanged

Mineral or rock?

In this lesson you will learn more about minerals and rocks.

Mountains of fire

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

Movement is life

A lesson about the human locomotor system and its health.

Newton and light

A lesson about Newton's studies on light and the telescope he constructed.

Newtonian mechanics

What happens when a rocket is launched? Why do we fall when the bus brakes? Let's learn about the laws of motion.

Nuclear fission

A lesson about nuclear transformations and their consequences.

On the land of Inti's sons

A digital lesson about the colourful culture of the Inca Empire.

Otthon tanulok: a kijelentő módú igék

Az igékkel kapcsolatos ismereteidet bővítheted ezzel a leckével.

Otthon tanulok: Többjelentésű és azonos alakú szavak

A tananyag segítségével megértheted a többjelentésű és az azonos alakú szavak közötti különbséget.

Otthon tanulok: Vízjárta tájakon

Az árvízről és az árvíz elleni védekezésről szól ez a lecke.

Our home, the Earth

A lesson about the landforms and continents of Earth.

Pitch and frequency, Part I

Experience the relationship between pitch and frequency through measurements.

Pitch and frequency, Part II

Experience the relationship between pitch and frequency through measurements.

Planets in our backyard

The lesson illustrates the size of the planets in the Solar System and the huge distances among them.

Prehistoric artists

Travel back in time and explore the beginnings of art, familiarise yourselves with the fascinating masterpieces of prehistoric people.

Renaissance I. – The birth of a new style

The Renaissance, which originated in Italy, was inspired by Ancient Greek and Roman art.

Rodents and predators

Learn about forest rodents and predators.

Romanesque art

Romanesque art was a style of medieval art based on classic Roman art.

Rome vs Carthage

This digital lesson tells the story of the Punic Wars.

Rulers of the sea

Relive the naval battles in this lesson.

Saliva, a versatile body fluid

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

Science fiction in literature

A glimpse into science fiction through the works of some great writers.

Show how wonderful the world is

Discover the beauty and diversity of nature in this project.

Show that you can convince your family

Saving energy is a task for everyone, because the energy consumption of the Earth’s population is increasing very fast and it can soon exceed the Earth’s...

Show that you can make a change

Our physical and mental health, as well as our inner harmony, determine our relationship with the external environment.

Show that you can work together.

Only communities can make significant changes that contribute to a sustainable development.

Show what the life of children will be in 50 years

Think about the impact that the current natural, environmental, economic and technological changes taking place in the present may have on our future.

Sound waves all around us • Part 2

In this lesson you will learn more about how sound propagates.

Space adventurers: Space travel

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

The Age of Discovery

Let's get on board with legendary navigators!

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.

The art of food

In this lesson, you will learn about the history of food in art and the Surrealist movement.

The birth of mountains

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

The cabbage family

A lesson introducing various plants in the cabbage family

The companion of Earth

This lesson explains the phases, the internal structure and surface of the Moon, as well as its effects on the Earth.

The Doppler effect

This lesson helps to understand the Doppler effect.

The evolution of stars

Let's learn about the life cycles of stars.

The giants of the Solar System

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

The human urinary system

This lesson presents the structure and functioning of the human urinary system.

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.

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 mysterious Maya civilization

The Maya civilisation developed on the Yucatan peninsula, in Mesoamerica.

The pharaohs of Ancient Egypt

The ancient Egyptian empire was led by pharaohs, considered sons of the Sun god.

The physics of bicycles

This lesson presents some of the laws of physics through the operation of the bicycle.

The physics of submarines

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

The quest for the philosopher's stone.

In this lesson you will learn about the mysterious world of alchimists.

The restless Earth

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

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 Sun - a source of energy

In this lesson you will learn about the Sun and how solar energy can be used.

The theory of relativity

The theory of relativity explained like you've never seen before.

The wave phenomena of sound

When does echo form? Why does sound spread easier at night? What is the secret to a good concert hall?

There is still time to...

We must live in such a way that our descendants can live in the future too.

There was a time when...

Most of us are attached to the place where we live. We can discover changes day by day.

They used to have time to..

Learn about the past and traditions of education.


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


Breaking news: Howard Carter discovered Tutankhamun's tomb!

Under pressure

In this lesson, you will find answers to questions about the pressure of solids, liquids and gases.


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

Water below the surface of Earth

A lesson about the various types of underground waters and their properties.

Water project

In this project, you will perform experiments with water.

Waterbirds and shorebirds

A lesson about the most common species of shorebirds.


What are the types and importance of watercourses?

Waves and sound

A summary of the physics of waves for high school students.

Weather project

You can become meteorologists through fun group tasks.

Weed or herb?

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

What can positioning systems be used for?

This lesson encourages the use of the Global Positioning System.

What do maps tell us?

A lesson about the various types of maps.

What do mixtures consist of?

This lesson presents different types of mixtures and how the substances in the mixtures can be separated.

What do we know about teeth?

The lesson introduces you to various types of teeth and their functions.

What happens in the garden?

A lesson about gardens, plants and their organs.

What happens on the surface?

Learn how fluid molecules interact with each other and their environment.

What is CRISPR?

A lesson about the benefits and limitations of genetic engineering.

What is in the shrubs?

This lesson presents the European garden spider and the castor bean tick, two species that live at the shrub level of temperate forests.

What is infrared radiation?

In this lesson you can learn about infrared radiation.

What is metabolism?

In the body, substances are continiuously absorbed and released.

What kind of fruit is peach?

A lesson about peach trees and fruits, with a dessert at the end.

What material are objects made of?

Learn about the properties of materials that objects around us are made of.

What size are bacteria?

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

What will happen to us?

Let's find solutions to the global environmental issues!

Where do flies go in the winter?

Houseflies are among the best-known animals, they can be found in every region inhabited by humans. Let's learn about these arthropods.

Where does waste water go?

This lesson presents the production of waste water, its treatment and environmental impact.

Where does water come from?

Let's follow the journey of water and find out how it gets into our glasses.

Where exactly?

Learn how to specify a location in a playful manner!

Where will we meet?

Let's find out how many pieces of information are necessary for specifying a location.

Which came first, the feather or the bird?

This lesson presents which animals developed feathers during the course of evolution.

Which devices use infrared light?

You can learn about the use of infrared radiation in our everyday lives.

Who was Isaac Newton?

Let's learn about Newton's life and work.

Who would make a good sentinel?

Learn about the human sense organs and their functions and how to keep them healthy.

Why are there deserts and ice sheets on Earth?

This lesson explains the reasons and consequences of the formation of climatic zones.

Why does your hair stand on end?

Let's perform experiments related to electric charge.

Why is smoking harmful?

Learn about the harmful effects of smoking.

Why is weather capricious?

In this lesson, you will learn about the weather and its elements.

Why should we eat grapes?

A lesson about the properties of grape plants.

Would you like to get a puppy?

Dogs are our loyal companions. Learn about their anatomy and behaviour.

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