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Characteristics of Sound

Sound in brief but remarkeable terms is a vibration, that our ears percieve by the sense of hearing. Most commonly vibrations travel to our ears via the air. The ear then converts these sound waves into nerve impulses that are sent to our brains, where the impulses become sound. To say all that in a more technical language: Sound "is an alternation in pressure, particle displacement, or particle velocity propagated in an elastic material" (Olson 1957). Sound is also a series of mechanical compressions and rarefactions or longitudinal waves that successively propagate through media that are at least a little compressible. What causes sound waves is known as "the source of waves". Examples of sounds sources is: A violin string that vibrates upon being bowed or plucked.

The Sun

The Sun is the centerpiece of our solar system, the gravity force that keeps everything together. Here is an overview of this source of our existence.

An Overview of the Sun

The Sun is a star, one of billions in the known universe. It is similar to other stars you see in the night sky, but is prominent in our lives because we orbit it once every 365 days.

The process pivotal in the creation of the Sun goes on to this very day. Roughly 4.5 billion years ago, a massive gas cloud surrounded by dust began to compress. As one small part gained in density, it started to produce a small gravitational pull. Over time, this sucked the rest of the gas and dust into an increasingly smaller area. Nobody is sure what first set off the gravity movement, but it may have been a supernova.

Homeschooling Can Lead to Great Careers

Homeschooling is one the latest trends in education nowadays, although the concept of homeschooling originated in the 20th century.

This was during the time before public education came into being. It is not until now that it has become a more viable option for many

families who have children who are still going to school.

Some of the famous persons that are considered to have acquired a homeschooled education, given the fact that they were self-educated or had availed of the guidance of a tutor include: Abraham Lincoln, Thomas Jefferson, and Jane Austen to name a few.

Which only goes to show that individuals who have not acquired a formal education can also become successful in life.

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