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2405
In this lesson you will familiarise yourselves with special organisms, that is lichens.
This lesson presents which animals developed feathers during the course of evolution.
This lesson presents some of the laws of physics through the operation of the bicycle.
This lesson presents the different types of forests and their layers.
This lesson presents the structure of the atom through the history of atomic models.
The lesson introduces you to our innate and learnt reflexes.
This lesson presents different types of mixtures and how the substances in the mixtures can be separated.
This lesson presents how wind energy can be utilised.
In this lesson you will learn about the Sun and how solar energy can be used.
This lesson presents the properties, production, and use of aluminium.
This lesson presents the anatomy of the eye, the mechanism of vision, and common vision problems.
This lesson presents the structure and functioning of the human urinary system.
This lesson presents the vision and the evolution of eyes of animals.
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.
You can learn about the use of infrared radiation in our everyday lives.
Learn about animal species that emerged in the distant past and stayed mostly unchanged
Observe the relationship between pitch and frequency.
Learn about the properties of materials that objects around us are made of.
This lesson presents some types of cardiovascular diseases, including their diagnoses and treatment options.
A lesson about the special properties of glass, the process of glassmaking and the various types of glass.