In this lesson you will learn about the basics of speech perception and language acquisition.
Let's make musical instruments.
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.
This lesson introduces some basic ideas about sound.
This lesson presents the most important milestones in the history of aviation.
Let's find solutions to the global environmental issues!
How do lakes form and disappear?
This lesson introduces the position and anatomy of the heart, as well as the blood flow and heart sounds.
What are the types and importance of watercourses?
A lesson about the benefits and limitations of genetic engineering.
A lesson about the special properties of glass, the process of glassmaking and the various types of glass.
A lesson about the various types of underground waters and their properties.
This lesson encourages the use of the Global Positioning System.
Learn how to specify a location in a playful manner!
Let's examine the anatomy of birds and their vital processes from the point of view of flying.
The plumage and streamlined bodies of birds play a key role in flying.
This lesson is about the sound waves surrounding us.