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Find out interesting pieces of information about the communication of animals.
Noise surrounds us everywhere, but it can be harmful. Let's see how.
This lesson helps you understand the process of hearing.
This lesson presents the development of human speech and the structure and functioning of the organs of speech.
In this lesson you will learn about the basics of speech perception and language acquisition.
This lesson introduces some basic ideas about sound.
Let's make musical instruments.
Simple, straightforward information about the coronavirus epidemic.
Let's find solutions to the global environmental issues!
A lesson about the landforms and continents of Earth.
A lesson about the most common species of shorebirds.
Think about the impact that the current natural, environmental, economic and technological changes taking place in the present may have on our future.
Discover the beauty and diversity of nature in this project.
Learn how to do written division with two-digit numbers.
Arthropods can be found on shores, on the surface of waterbodies and underwater.
Learn about the concepts of floor plan, map, and map scale.
Most of us are attached to the place where we live. We can discover changes day by day.
Learn about the past and traditions of education.
We must live in such a way that our descendants can live in the future too
Imagine the city of the future