Archive for the ‘Technology and Education’ Category

Why is Sociology Important?

Why is Sociology Important?
One of the interesting fields of social sciences, sociology focuses on the application of systematic methodologies in interpreting different phenomena that usually happen in societies. This specific branch of social sciences has a broad scope since it provides explanations on events using the micro level and macro level approaches. To know why is sociology important, let us have a closer look on the topics and concepts covered in this particular field of study. Micro Level Why is sociology important? This field of study is very important to explain different events and concepts in micro level. When sociologists talk about micro level, they refer to elements and phenomena involving small groups of people. In addition, this branch of social science is essential to assess the effects of the...

Why is the Blackboard Green?

Why is the Blackboard Green?
Although they are still widely used in classrooms today, there are a lot of facts about blackboards that people may not know about. The following information can help shed light on it. Why it is Green There are several theories put forward to explain this. One theory is that green was chosen because it is easy on the eyes. Since students have to focus on what is written there, manufacturers picked green. Studies have shown that for most people, it is the easiest color on the eyes. Other colors like yellow or orange can cause strain if stared at too long. Today however they come in various colors. Next to green, black and white are the most popular. Blackboard / Chalkboard Other facts about blackboards that need to be clarified are the names. These two are the same thing. Chalkboard is more...

Why Mars is Called the Red Planet?

Why Mars is Called the Red Planet?
Mars is fourth in the order of the planets from the sun; it comes after Mercury, Venus and Earth. For years, scientists and experts have been interested about the physical characteristics, structure and composition of its neighboring planet. They have conducted numerous explorations in the past, but there are still many other important questions at the back of their minds. As part of the solar system, it is quite interesting to find out why Mars is called the red planet. The Reason Behind the Red Appearance of Mars Why is Mars called the red planet? Due to its red appearance, many people have referred to Mars as the ‘Red Planet.’ The primary reason behind this is the prevalence of iron oxide, which is commonly referred to as rust. It produces a red-orange appearance right at the planet’s...

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 combining...

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...