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In the body, substances are continiuously absorbed and released.
Humans produce an increasing amount of waste. A change in our lifestyle could...
In this lesson, you can get to know some interesting facts about flows of fluids and gases.
Learn how fluid molecules interact with each other and their environment.
Our physical and mental health, as well as our inner harmony, determine our relationship...
Why is Gauss often called the Prince of mathematics?
A lesson about the basics of first aid.
This digital lesson tells the story of the Punic Wars.
Let's follow a river's journey from its source to its mouth.
In this lesson, you will learn how mountains are formed.
In this lesson you will learn about the presence of humans in space in the past, present...
A lesson about the most common species of shorebirds.
In this lesson, you will learn about the weather and its elements.
Think about the impact that the current natural, environmental, economic and...
A lesson about the changes that take place in our bodies throughout our lifetime.
This digital lesson is about climate and factors that can modify the climate.
Discover the beauty and diversity of nature in this project.
This lesson introduces the anatomy and lifestyle of fishes through the examples of the...
Let's learn about the life cycles of stars.
Learn about the concepts of floor plan, map, and map scale.