Learn about the life and work of Alexander G. Bell
Learn about animals inhabiting rivers, lakes and their shorelines.
A lesson about the most common energy sources.
The theory of relativity explained like you've never seen before.
Learn about animal species that emerged in the distant past and stayed mostly unchanged
Where does the energy of Earth come from and how can we use it?
A lesson about the personality and legacy of Julius Caesar.
Let's perform experiments related to electric charge.
A lesson about the various types of underground waters and their properties.
Let's compare the two well-known bird species.
This lesson presents the anatomy of the eye, the mechanism of vision, and common vision problems.
In this lesson you will learn more about minerals and rocks.
This lesson introduces you to the world of minerals.
This lesson presents the properties, production, and use of aluminium.
What happens when a rocket is launched? Why do we fall when the bus brakes? Let's learn about the laws of motion.
In this lesson you will learn about the Sun and how solar energy can be used.
Experience the relationship between pitch and frequency through measurements.
How do lakes form and disappear?
A lesson introducing various plants in the cabbage family
Most of us are attached to the place where we live. We can discover changes day by day.