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In this lesson you can learn about infrared radiation.
This lesson presents some of the laws of physics through the operation of the bicycle.
You can learn about the use of infrared radiation in our everyday lives.
This lesson presents the structure and functioning of the heart and how it can be protected.
Travel back in time and explore the beginnings of art, familiarise yourselves with the fascinating masterpieces of prehistoric people.
Water is one of the most important substances on Earth. Let's learn more about it.
This lesson presents soil formation, the components of soil, and soil protection.