Abstract: Clothes of varied colors in the show window give us a feast for our eyes. This owes to the development of the color c...
Abstract: Today, iron is the backbone of the world we've built. It is strong, plentiful, and cheap. Iron comes from iron ore su...
Abstract: The living world around us is made up of carbon compounds. The study of carbon compounds and their properties is call...
Abstract: Long before the atomic theory was established, numerous scientists had contributed their whole life to conducting tho...
Abstract: At first, people didn't know the structure of atoms. Then a scientist named Dalton put forward the atomic theory for ...
Abstract: Paulin is an outstanding scientist who has ever received the Nobel Prize twice. He laid the foundations for much of o...
Abstract: It is the outer electron and its ease or difficulty of removal that gives an atom its chemical properties. It is the ...
Abstract: Synthetic materials have liberated architecture from the constraints imposed by bricks and mortar, timber and stone. ...
Abstract: Proteins are vital to life. They are special because they make life possible in all its complexity. Inside the human ...
Abstract: When people began to know that fertilizers used in the soil could improve the output of the food supplies, they used ...
Abstract: At the beginning of the 20th century, the soil was not fertile any more because of repeated cultivation, and the outp...
Abstract: Plastics are synthetic materials, that is, they don't occur naturally. They're made in chemical factories from crude ...
Abstract: The tiniest particles to form objects are atoms. Atoms combine to make molecules, and molecules combine to make objec...
Abstract: The species of wood can be very different. Then it is necessary to learn about the properties of a wood such as hardn...
Abstract: Rubber is one of the most extensively used industrial raw materials at present. Today synthetic rubber is the most co...
Abstract: The French physicist Henri Becquerel is the first to notice that minerals containing uranium emit strange penetrating...
Abstract: More and more of the food that we buy nowadays has been processed in various ways and much of it contains food additi...
Abstract: Plants and fossil fuels have chemical energy stored in them. When we bum fuels, energy is given off. The chemical rea...
Abstract: Earth was a new world, and the items were sought out their roads. Carbon eventually becomes the most interesting. It ...
Abstract: Chemical reactions in which electrons are transferred between atoms, ions or molecules are called redox reactions bec...