An element capable of self-ignition that plays an important role in the stiffness of our bones and in biological inheritance.
The age of Earth was debated for centuries by numerous outstanding scientists from different fields.
For thousands of years, scientists have wondered if the events around us are determined by causality, randomness or supernatural powers.
With this lesson, you can get to know yourself and your classmates better.
In this lesson, you will learn about the mole, a useful predatory mammal that is often considered a pest.
Silicon is the second most abundant element on Earth. Its compounds are found in various minerals.
Scientists have debated the nature of heat for centuries. Learn about this fascinating scientific debate.
This project demonstrates the reactions of several metals with acids.
In this lesson, we are going to revise and learn vocabulary related to holidays and travelling.
In this lesson, you can learn about the characteristics of sodium and potassium.
Learn about the region of the Great Lakes in North America.
Sundials are seemingly simple time-measuring instruments, but it is not an easy task to build an accurate one.
Learn about advertisements and their positive and negative effects.
In this lesson, you will learn about King Charles III, who was crowned King of the United Kingdom on 6 May 2023, following the death of his mother, Queen Elizabeth II.
Learn about the most important compounds of sodium and potassium.