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SchoolTutoring.com Reviews Rational, Irrational, Real, and Imaginary Numbers 150 150 Deborah

SchoolTutoring.com Reviews Rational, Irrational, Real, and Imaginary Numbers

Overview:  Types of Numbers There are many different ways to describe numbers as they are used in operations and in algebra.  When students look at the number line, most numbers on that line are rational.  They can be expressed as fractions or as decimals that divide exactly and are terminating. Other numbers (just as real),…

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The Search for Pluto: Finding Planets, Moons, and Dust in the Solar System 150 150 Deborah

The Search for Pluto: Finding Planets, Moons, and Dust in the Solar System

Overview:  Discovery of a New Planet The dwarf planet Pluto has always been a mystery.  In the 19th century, the planets Uranus and Neptune were discovered.  However, there were questions about the orbit of Neptune that led astronomers to suspect the existence of an unknown planet they called Planet X.  A very young astronomer named…

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Statistics: How to Use Frequency Distributions 150 150 Deborah

Statistics: How to Use Frequency Distributions

Overview:  What Is A Frequency Distribution? A frequency distribution can yield a lot of information about the results of an experiment or survey, even before any more complex statistical analysis is done.  In its simplest form, a frequency distribution is just an organized tally of how many times an event occurs.  It can be stated…

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The Search for Water on Mars 150 150 Deborah

The Search for Water on Mars

Overview: Canals on Mars The planet Mars, named after the Roman god of war, has always been the subject of curiosity and speculation. It can be seen without a telescope, and has been known by astronomers since Egyptian times. In the 1600’s, Galileo was the first to see it via telescope.He noticed dark areas on…

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Pure Water Technology: Banana Peels, Tablets, and Nanotechnology 150 150 Deborah

Pure Water Technology: Banana Peels, Tablets, and Nanotechnology

Overview:  The Challenge of Clean Water One of the biggest challenges for many developing countries is finding good sources of clean water  to help a growing population.  It is very common for people to travel many miles every day to find something that for many of us in the United States and Canada is as…

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Keeping Statistics Honest: How Not to Lie with Statistics 150 150 Deborah

Keeping Statistics Honest: How Not to Lie with Statistics

Overview:  Statistics Are Not Lies The use of statistics has really gotten a bad name.  No less a personage than Mark Twain once said something about lies and statistics, and every day some advertiser makes a claim that uses numbers but cannot be verified, or someone reporting the news uses a statistic that makes listeners…

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Taking Notes for Main Ideas 150 150 Deborah

Taking Notes for Main Ideas

Overview:  Why Take Notes? Taking notes is an essential part of school life, especially in high school and college.  In addition, many jobs and careers require on the job training and staff meetings.  Writing down main ideas is an important way to help remember those points, whether in school or on the job. Organize the…

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The Writing Process: From Outline to Essay 150 150 Deborah

The Writing Process: From Outline to Essay

Overview:  Why Write an Outline in the First Place? Students are often asked to outline the main points before they write an essay.  Many see it as a time-consuming waste of time, but the process of planning forms the strong bones behind the essay and makes writing a comparatively simple process of fleshing it out.  Think of…

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How to Read Research Articles for Science 150 150 Deborah

How to Read Research Articles for Science

Overview: Format for Busy Researchers Research articles that appear in scientific journals follow a specific format, so that busy scientists can find the information they need quickly and easily.  Articles typically have an abstract, an introduction, subjects, method, results, and discussion.  Sometimes a separate conclusion section follows that, but often the conclusions are  combined with…

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How to Write a Simple Survey 150 150 Deborah

How to Write a Simple Survey

Overview:  What Is a Survey? Surveys usually measure interests, attitudes, and preferences.  They are most useful as a starting point for future research, and can be written in order to add field-testing to  student research papers on a variety of subjects.  For example, a student writing a paper on alternative automobile fuels can survey the attitudes…

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