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Let's go fishing!

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

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.

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.

Arthropods in the water

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

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.

Is the buoyant force with you?

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

Insects in the forest

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

Where does waste water go?

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

How do animals see?

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

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