A lesson about walnut trees and walnut fruits.
A lesson about the anatomy and development of onions.
In this lesson, you can learn about carbon monoxide and carbon dioxide.
Dogs are our loyal companions. Learn about their anatomy and behaviour.
Houseflies are among the best-known animals, they can be found in every region inhabited by humans.
Let's compare the two well-known bird species.
A lesson about the most important characteristics of the common earthworm.
Learn how one of the best-known atmospheric optical phenomena is formed.
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.
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.