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The lesson introduces you to various types of teeth and their functions.
This lesson presents the most important milestones in the history of aviation.
This lesson presents the anatomy of the eye, the mechanism of vision, and common vision...
This lesson presents the different types of forests and their layers.
This lesson presents interesting facts about reptiles and their life.
In this lesson you will find out where savannahs are located on Earth and will learn...
Let's find solutions to the global environmental issues!
In this lesson you will find out where deciduous forests are located on the Earth and...
In this lesson you will learn about the mysterious world of alchimists.
Let's catch a glimpse into the world of microscopic unicellular organisms!
Learn about the human sense organs and their functions and how to keep them healthy.
This lesson presents the production of waste water, its treatment and environmental impact.
Let's follow the journey of water and find out how it gets into our glasses.
In this lesson you will familiarise yourselves with the concept of time.
In this lesson you will find information about the discovery and classification of...
This lesson helps to understand the Doppler effect.
In this lesson you will learn about the basics of speech perception and language acquisition.
This lesson presents the development of human speech and the structure and functioning of...
This lesson helps you understand the process of hearing.
Noise surrounds us everywhere, but it can be harmful. Let's see how.