Central America is commonly considered part of the North American continent, but is often referred to as a separate region. Central America is a narrow isthmus bounded by North America and the Gulf of Mexico to the north and South America to the south. Central America has the Atlantic Ocean to the east and the … Read more
The Constitution of India is a report containing the structure of the political situation, the obligations, privileges, restrictions, and construction of the public authority that this country should follow. It likewise explains the freedoms and obligations of the Indian residents. No one in India – not even the Top state leader or the President – … Read more
Peasant farmers made up the majority of the population in ancient China. They led hard, terrible lives despite being valued for the food they produced for the rest of the Chinese population. A little village of about 100 families was home to the typical farmer. They labored on modest family farms. Despite having plows and … Read more
Electric current is the flow of an electric charge. It is an important quantity in electronic circuits. Current flows in a circuit when a potential difference is applied between two points of a conductor. In an electronic circuit, current is the flow of electrons. However, normally the current is specified in the direction of the … Read more
Sound is a vibration or wave that travels through matter (solid, liquid, or gas) and can be heard. The vibration is triggered by a mechanical movement, such as someone plucking a guitar string or knocking on a door. This causes vibrations on the molecules in addition to the mechanical event (i.e. where your hand hits … Read more
Archimedes is one of the most interesting figures in ancient Greek history. He lived in the city of Syracuse, where he solved problems and invented inventions for the king. He was one of the great mathematicians in world history and made many discoveries in his early years. Occupation Mathematician, physicist, and astronomer Full Name Archimedes … Read more
An element is a pure substance made up of one type of atom. Elements are the building blocks of all the rest of matter in the world. Examples of elements include iron, oxygen, hydrogen, gold, and helium. An important number in an element is the atomic number. It is the number of protons in each … Read more
