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This lesson presents some of the laws of physics through the operation of the bicycle.
In this lesson you can learn about infrared radiation.
Plants also move. Although they do not have muscles, they can change the position of their organs.
A lesson about potatoes and potato beetles.
“Health” and “illness” refer to two opposite states of the body. This lesson is about these states.
This lesson presents different types of mixtures and how the substances in the mixtures can be separated.
In this lesson, we try to find answers to questions about temperature.
Learn about the migration and reproduction of birds.
This lesson presents the possibilities for utilising hydropower.
This lesson presents the possibilities for utilising solar energy.
Relive the naval battles in this lesson.
This lesson presents the concept of speed.
A lesson about pepper plants, their anatomy and history.
This lesson helps you understand what geographic coordinates are and how to use them.
A lesson about Newton's studies on light and the telescope he constructed.
What are the types and importance of watercourses?
In this lesson you will learn more about how sound propagates.
The lesson introduces you to various types of teeth and their functions.
A lesson about peach trees and fruits, with a dessert at the end.
The lesson presents the kingdom of fungi.