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How Does Solar Energy Work

Solar power is an area of interest for many people who are concerned about the environment we live in and the dwindling supply of natural resources available to us. When searching for alternatives to fossil fuels, this is the topic that comes up most often. For those who are just beginning their research into solar energy and it’s possible benefits to home owners, this article is a great place to start and should provide you with some valuable information. As the heading suggests this is a brief description of solar energy, and if you have ever asked how does solar energy work this is a good general introduction. This article will cover photovoltaic cells and how they create electricity.

Solar power system technology has advanced a great deal since its beginnings due largely to demand. A photovoltaic cell is a device that generates electricity by reacting to the suns light rays. To generate a useful amount of electricity, many of these cells are combined to create a solar panel. These panels are also known as photovoltaic cells, solar cells or solar panels.

A solar panel typically generates 12 volts DC (Direct Current). These panels can be used individually or they can be wired together in what is called a solar array. The number of panels used in the array is determined by a number of factors such as sunlight but here are many other factors that determine solar power effectiveness.

Some factors that determine how well solar energy works

• The amount of electricity required
• How much sunlight is available
• Weather conditions - the conditions on any given day
• Climate - Weather patterns over a long period of time. Early morning fog for example.
• Location
• Pollution (smog)
• Air Density

In most situations, you will require some way to store the power that is generated by your solar system. This is accomplished with batteries. Batteries will store the electricity until it is needed. In some areas homeowners who remain connected to the electrical utility grid can sell surplus electricity that they generate back to the electric company for credits. During high demand or low supply times these credits can be used to buy electricity back from the utility, everybody wins.

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QUESTIONS

Choose ONE of these elements of web browsers (Internet Explorer, Mozilla Firefox, etc.):




Menu bar
Tool bar
Status bar
Explorer bar or side bar
Page tab




Name ONE button/menu/function you find in the element you selected above, and explain what it is for.
Below are 2 of my examples you can refer to as guidelines for your answer.


Example 1:Element: Menu bar in Internet ExplorerMenu: "Find on this Page" under Edit menu Function: To find or search for a text in the web page currently displayed on the web browser. Shortcut is Ctrl+F (same with Mozilla Firefox).


Example 2:Element: Tool bar in Mozilla FirefoxToolbar: "Reload" button in Navigation toolbar Function: To reload or refresh the content of the web page currently displayed on the web browser. Any new updates on the content will be displayed after reload. Shortcut is Ctrl+R or F5.

What is a font?

A font is a combination of these:

• A typeface or style of printable characters
• A group of characters for selection (described in Font Architecture)
• A map that determines which of the selected characters is to be printed or displayed (described in Font Architecture)

A font can include letters, numbers, punctuation marks and special characters. To add variety to your documents, you can include fonts of various sizes, styles, weights, and orientations

What is a Notepad?

Notepad is a simple text editor included in all versions of Microsoft Windows since Windows 1.0 in 1985.

What is html?

HTML, an acronym for Hyper Text Markup Language, is the predominant markup language for web pages. It provides a means to describe the structure of text-based information in a document—by denoting certain text as links, headings, paragraphs, lists, etc.—and to supplement that text with interactive forms, embedded images, and other objects. HTML is written in the form of "tags" that are surrounded by angle brackets. HTML can also describe, to some degree, the appearance and semantics of a document, and can include embedded scripting language code (such as JavaScript) that can affect the behavior of Web browsers and other HTML processors.

What is a bluetooth?

Blue tooth is an open wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks (PANs). It was originally conceived as a wireless alternative to RS232 data cables. It can connect several devices, overcoming problems of synchronization.