Noise surrounds us everywhere, but it can be harmful. Let's see how.
Find out interesting pieces of information about the communication of animals.
This lesson introduces some basic ideas about sound.
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 the organs of speech.
This lesson helps you understand the process of hearing.
Let's make musical instruments.
Let's find solutions to the global environmental issues!
Simple, straightforward information about the coronavirus epidemic.
A lesson about the changes that take place in our bodies throughout our lifetime.
In this lesson, you will learn how mountains are formed.
In this lesson, you will learn how we can find our way around.
A lesson about the various types of maps.
Imagine the city of the future
In the body, substances are continiuously absorbed and released.
Numerous insects live on tree trunks, in the foliage and on the ground. Let's learn about some species.
Let's learn about the various types of worms by looking at the characteristics of typical species.
A lesson about the landforms and continents of Earth.
Humans produce an increasing amount of waste. A change in our lifestyle could significantly reduce the production of household waste.
A digital lesson about the colourful culture of the Inca Empire.