Homework Help

Fri, 02/27/2015 - 4:45pm

The microbes we call germs have been around for a loooong time, and, tiny as they are, they are excellent survivors. You can find traces of microbes in meteorites that have crashed to Earth from other planets and moons, on the tops of the coldest mountains, and bubbling merrily in deep sea volcanic vents. Microbes are survivors. If they "know" anything, it's how to spread and how to live in the most unlikely places.

Fri, 12/05/2014 - 12:28pm

How do the Sun and the Moon affect the Earth? Without the Sun, the Earth would be a big ball of frozen mud, just another asteroid, drifting in space with no gravity to anchor it here and nothing to give us heat and light. We could not be here without the Sun.

Tue, 04/01/2014 - 2:32pm

How does a flashlight work?
By using a battery hooked up to an electrical circuit system.

How does an electrical circuit system work?
A battery has negative electric charges and positive electric charges. If you look at a battery, you will see that there is a + sign at one end and a - sign at the other. The opposite charges are drawn to each other, but without an easy path, they will remain separated. That's where a circuit comes in handy.

A Power-full Bridge

Mon, 05/03/2010 - 3:47pm

The 2008 Summer Olympics were held in Beijing, the capital of China. While China has been in the news recently and people are aware of some current events occurring in the country, not many realize that China has a long and complicated history full of changing dynasties. To mark the 2008 Beijing Olympics, this second article of two will introduce people to the dynasties that mark the last 729 years of Chinese civilization.

Yuan Dynasty (1279-1368)

Thu, 09/10/2009 - 5:00pm

The Tudor Family

Elizabeth's father was King Henry VIII of England--a big, red-haired man who liked to joust and feast. He also liked the ladies. For many years, he was mostly content with his marriage to Catherine of Aragon, a Spanish princess. They had a daughter, Mary, but no other children lived to maturity. Henry very much wanted a strong son to carry on his name and keep the kingdom safe.

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