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English Review of Transitions 150 150 Deborah

English Review of Transitions

Overview One of the ways to help the reader understand the points made or the direction the argument is going is by the use of transitions.  Transition words and phrases signal illustration, contrast, continuation, or conclusion. Illustration One of the ways to develop an idea is by illustrating examples.  They add more information about a…

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Science Review of Metalloids 150 150 Deborah

Science Review of Metalloids

Overview Metalloids are elements that have some properties of metals and some of nonmetals.  They are on the periodic table along the dividing line between metals and nonmetals. The most commonly recognized metalloids include the elements boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), and tellurium (Te). Metalloids Elements are commonly classified as…

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Science Review of the Juno Mission 150 150 Deborah

Science Review of the Juno Mission

Overview The Juno probe entered orbit around the planet Jupiter on July 4, 2016.  Jupiter is the largest planet in the Solar System, and the Juno probe will study the magnetic fields of the planet, as well as clues to its origin and composition. The Juno Probe The Juno probe launched in August 2011.  Its…

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Math Review of Graphing Systems of Equations 150 150 Deborah

Math Review of Graphing Systems of Equations

Overview One of the ways to solve systems of equations is by graphing the equations on the same coordinate plane.  By graphing the equations, it is possible to tell whether they have no solutions in common, one solution in common, or an infinite number of solutions in common. No Solutions in Common These linear equations…

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Math Review of Parallel and Perpendicular Lines 150 150 Deborah

Math Review of Parallel and Perpendicular Lines

Overview Parallel lines never intersect when they are graphed on the same plane, while perpendicular lines are lines that intersect at one point at right angles to each other.  Their linear equations have special relationships. Parallel Lines Parallel lines are lines in the same plane that have no points in common.  Suppose that one line…

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English Review of Spelling 150 150 Deborah

English Review of Spelling

Overview Although sounds many sound the same in English, they may be spelled differently.  Therefore, many words that sound similar may be spelled very differently, and any English spelling rule is likely to have exceptions. Same Sound, Different Spelling Many similar sounds are expressed by different combinations of letters.  For example, the long a as…

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English Review of Expressing Numbers 150 150 Deborah

English Review of Expressing Numbers

Overview Rules for how numbers are expressed in print depend on the formality of the writing task.  When writing is very formal, such as in a book or essay, numbers are spelled out as words.  In less formal writing or in letters, numbers are often expressed as numerals.  When using a specific style, such as…

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Science Review of Dark Matter 150 150 Deborah

Science Review of Dark Matter

Overview The type of energy and matter that we can observe in the universe is thought to be only a small fraction of its total contents, less than 5%.  Dark matter and dark energy have been theorized to make up the rest.  Although scientists cannot observe either dark matter or dark energy directly, evidence for…

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Science Review of Plasma 150 150 Deborah

Science Review of Plasma

Overview Plasma is often called the fourth state of matter, as it has properties different from all the other states.  Most of the matter contained in stars, interstellar clouds, and other features of the observable universe is in the plasma state. Definition A plasma is a very hot ionized gas that is made up of…

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Math Review of Fitting Equations to Data 150 150 Deborah

Math Review of Fitting Equations to Data

Overview Many real-world situations can be approximated by the relationship between two different variables that fall on a straight line. The linear equation is one model of the data.  Sometimes the task is to predict another value from a small amount of data, while other times it is to find a relationship between large amounts…

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