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How many minutes of running uses up the energy that a chocolate bar gives you?

Make observations about aquatic and waterfront species.

U ovoj lekciji se možete baviti životom i radom ovog izuzetnog naučnika, prirodnjaka.

In this lesson, you can perform experiments and make observations about the flora and fauna of forests.

In this lesson, you will make observations about the flora and fauna of plains.

In this lesson, you will perform experiments related to the living conditions of plants.

A lesson about the components and functions of human blood.

Dobićete savete o dobrim prehrambenim navikama i zdravoj ishrani.

Prvo što mnogi ljudi urade čim se u jutro probude je kuvanje kafe.

U ovoj lekciji ćete učiti o anatomiji i metamorfozi leptira i moljaca.

Jedna od najpoznatijih vrsta sipa.

Learn about the functions of the human immune system.

Neki zanimljivi primeri boja živih bića i kako ih menjaju.

Learn about the life cycle of flowering plants through the example of some well-known garden plants.

Learn about the organs of plants.

All you need to know about cats.

The ecological footprint is an indicator of the sustainability of your lifestyle.

With this lesson, you can get to know yourself and your emotions a bit better.

A lesson about the physical and psychological processes of growing up.

In this lesson, you will learn about the importance of having your body clean.

Calcium compounds are commony found in minerals and are indispensable in the body of organisms.

In this lesson you can categorise your knowledge about animals.

Learn about your living and lifeless environment.

In this lesson, you can learn about fictitious and real frogs.