Homework Help

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.

Thu, 06/05/2014 - 9:06am

The long hot days of summer are fast upon us, and with them there will be time for sports, time for camp, time to dream, and time to do. Time to start a diary or journal?

A journal can be written for only yourself, to write down the things that are important to you: lists of favorites (music, t.v., and movies), pictures of friends and family, and, of course, your innermost thoughts. Fun times deserve to be remembered, and sometimes writing about a bad situation can help you deal with it better as you think it through on paper. That kind of journal is personal, and you may not wish to share it with anyone.

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

Tue, 03/11/2014 - 2:08pm

Cells make up you, your friend, your hamster, and your mom's broccoli surprise. If it's alive or ever was alive, it is made of cells. Space scientists looking for life on Mars are trying to find simple cells-- not little green men, and biologists who search for cures to diseases work with cells. Small as they are, cells determine how life unfolds from its beginning to its end.

Fri, 02/28/2014 - 12:14pm

Circles, squares, pentagons, octagons, polygons, angles, rays, points, and lines, there are so many names to learn in geometry. They may sound strange and new, but geometry is all around you. Your computer monitor's surface is more or less a rectangle, your pencil is roughly a cylinder, and, viewed from the top, the cable from your mouse to the computer, is a line segment.  Once you start thinking about geometric shapes, you'll find them everywhere.

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