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The human urinary system

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

How is the aluminium foil made?

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

Which came first, the feather or the bird?

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

Mineral or rock?

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

The Sun - a source of energy

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

Pitch and frequency, Part II

Experience the relationship between pitch and frequency through measurements.

How are rocks made?

You can follow the process of the formation of rocks.

Pitch and frequency, Part I

Experience the relationship between pitch and frequency through measurements.

How do animals see?

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

The Cartesian and the polar coordinate system

Practise how to define a specific location using coordinate systems.

Do fish drink?

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

Planets in our backyard

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

And yet it moves Part 2

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

Deep in the Jungle

In this lesson you will find out where tropical rainforests are located on Earth and...

What size are bacteria?

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

And yet it moves Part 1

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

Let’s get to know the sources of sound!

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

How to put out a fire?

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

Do we become what we eat?

The lesson presents the components of a healthy diet.

The companion of Earth

This lesson explains the phases, the internal structure and surface of the Moon, as well...

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