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Let's compare the two well-known bird species.
A lesson about the most important characteristics of the common earthworm.
Lets perform experiments related to the pressure of gases.
Let's perform experiments related to electric charge.
This lesson introduces the anatomy and lifestyle of fishes through the examples of the common carp and the European catfish.
Learn how one of the best-known atmospheric optical phenomena is formed.
How did Max Planck establish the bases of quantum mechanics?
A lesson about the most common species of shorebirds.
Arthropods can be found on shores, on the surface of waterbodies and underwater.
It is important to pay attention to each other, to learn about different, real-life situations and to know the reasons for those.
Numerous insects live on tree trunks, in the foliage and on the ground. Let's learn about some species.
In the body, substances are continiuously absorbed and released.
Let's learn about the various types of worms by looking at the characteristics of typical species.
Let's follow the path of water in plants from the roots to the leaves
“Health” and “illness” refer to two opposite states of the body.
There are plenty of weeds and herbs on fields, agricultural areas and even in carefully tended gardens.