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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.

What did people think about the atom in the past and what do we know now?

This lesson presents the structure of the atom through the history of atomic models.

Do reptiles ever get cold?

This lesson presents interesting facts about reptiles and their life.

How is the human body built up?

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

Are there mutants among us?

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

Do plants move?

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

Ancient Egyptian pyramids

Pyramids are the best known Ancient Egyptian structures.

What kind of fruit is peach?

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

Do storks really deliver babies?

This lesson presents everything related to human reproduction.

Tutankhamun

Breaking news: Howard Carter discovered Tutankhamun's tomb!

The physics of submarines

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

Let's practice positioning!

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

How do birds fly? Part 3

Learn about the migration and reproduction of birds.

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.

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