Archive for the ‘Technology and Education’ Category

Why Does Copper Turn Green?

Why Does Copper Turn Green?
There are a lot of facts about copper that people may not know about. The following information will show just how prevalent it is. Why it Turns Green The reason it changes color is because of chemical reaction. When exposed to oxygen, it will assume that color. For Electrical Wiring Part of the basis why this element is useful is that it conducts electricity well. It’s this reason that it has come into use in many electrical equipment. Today the industry is one of the biggest consumers of the element. One of its most attractive features is that it becomes easy to use in electrical wiring. Because it makes wiring simple, a lot of appliances and gadgets make use of it. For Decorations Other facts about copper include the ease with which it can be fused with other elements. For example...

Why Are Apples Associated with Teachers?

Why Are Apples Associated with Teachers?
One of the common practices in Sweden, Denmark and the U.S. at the first day of school is giving apples to teachers. This tradition is practiced to appreciate the efforts of teachers in educating children and young people. To know why people associate apples with teachers, it is important to know the history of the tradition. In addition, it is also necessary to know what apples symbolize. Apples and Teachers Why are apples associated with teachers? People commonly see the fruit as a symbol of variety, change and growth. It symbolizes change and variety because it comes in different colors such as green yellow and red. Additionally, the fruit has various tastes like sweet, sour as well as tangy. Moreover, apple symbolizes growth since the strongest branch and grove of the plant sprout from...

Why is Education Important?

Why is Education Important?
It is hardly a secret that a lot of kids are dropping out of school or are just not interested in learning. By knowing why education is important, you will be able to develop the perseverance needed to get through this aspect of life. Work is Easier to Find Most, if not all of the companies you will apply for, will require you to submit a résumé. This will contain your work / school information. This is the only way that the company will be able to gauge your competence. Simply put, a law firm won’t hire you if you can’t show proof you graduated and passed the bar. The same can be said for other professions like doctors and engineers. At the same time, being learned means knowing how to adapt. You will also be able to assimilate and understand the tasks assigned to you better. That is...

Why is Pluto Not a Planet?

Why is Pluto Not a Planet?
There are several reasons given by astronomers as to why Pluto is no longer a planet. To better understand it, some background information is essential. Discovery and Classification In 1930 Clyde Tombaugh spotted the object over Arizona. It wasn’t entirely unexpected. The movements of the other planets suggested the existence of another one. Even before its discovery, scientists were confident in its existence, which they called Planet X. The Kuiper Belt Early on, it was assumed the Solar System consisted of the nine planets, their satellites, comets and the asteroid belt. Over the years, several heavenly bodies were discovered. Eventually scientists discovered the existence of the Kuiper Belt. These objects covered the space from Neptune up to 55 AU (astronomical units). This discovery...

Why Does Copper Oxidize?

Why Does Copper Oxidize?
Copper is an industrial metal that has been in use since ancient times. It is a malleable metallic element, which serves various uses. It can be made into thin sheets and can be used to make thin wires since it is quite ductile. It is also a necessary element found in our bodies. And like other elements, it also oxidizes like iron and aluminum. Understanding Oxidation Oxidation is a phenomenon that occurs in everyday life. You would notice that a freshly cut apple would turn brown when it is exposed to the air. When oxidation occurs that element will eventually lose electrons while interacting with another element. Another example of this that we regularly see in daily life is the formation of rust on iron. Effects of Oxidation When exposed to air, iron forms a flaky reddish outer layer, which...