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Science Review of Alkaline Earth Metals 150 150 Deborah

Science Review of Alkaline Earth Metals

Overview The alkaline earth metals are the next column in the periodic table from the alkaline metals. They include beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They have two electrons in their outermost shell, which they give up in chemical reactions. Beryllium (Be) Beryllium (atomic number 4) is a…

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Science Review of Alkali Metals 150 150 Deborah

Science Review of Alkali Metals

Overview The alkali metals are in Group 1 of the periodic table.  They include the elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).  These highly reactive elements form compounds easily and explosively.  They all have one electron in their outermost shell, giving it up to form ionic compounds. Lithium…

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Math Review of Common Factors of Polynomials 150 150 Deborah

Math Review of Common Factors of Polynomials

Overview In order to factor polynomials, common factors must be found for every monomial in the expression.  It is the reverse process of multiplying polynomials. Factoring Monomials When factoring a number, find all factors that have the product of that number.  For example, 30 has the factors 1, 30, 3, 10, 2, 15, 5, and…

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Math Review of Multiplying Polynomials 150 150 Deborah

Math Review of Multiplying Polynomials

Overview Multiplying two polynomials is similar to multiplying a polynomial by a monomial, or multiplying a binomial by another binomial.  It uses the same principle of multiplying each term by every other term. Multiplying a Polynomial by a Monomial Remember when multiplying a polynomial by a monomial to multiply each term of the binomial by…

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English Review of Adjectives and Adverbs 150 150 Deborah

English Review of Adjectives and Adverbs

Overview Adjectives are used to modify nouns, while adverbs are used to modify verbs, other adjectives, and  adverbs.  Adjectives and adverbs often have different forms. Adjectives and Adverb Forms Most adverb forms have the form –ly, such as moved slowly, ran quickly, or laughed loudly.  The corresponding adjectives do not have the –ly ending, such as…

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English Review of Verb Agreement 150 150 Deborah

English Review of Verb Agreement

Overview Verbs should agree with their subjects in person and number.  It is also important to determine whether the verb is active or passive. Many verbs in English have different forms to indicate tense.  While most verbs are regular, some are irregular and can cause problems. Subject-Verb Agreement If the subject of the sentence is…

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Science Review of New Horizons and Pluto 150 150 Deborah

Science Review of New Horizons and Pluto

Overview Since the New Horizons spacecraft flew by the dwarf planet Pluto on July 15, 2016, downloaded photographs have revealed more puzzling features.  More will still come, as only about half the data gathered during the flyby has reached Earth. Pluto’s Subsurface Ocean Some of the latest data suggest that there may be an ocean…

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Science Review of Chemical Equations 150 150 Deborah

Science Review of Chemical Equations

Overview Chemical equations are shorthand descriptions of the reactions between substances.  They include the chemicals that react, the conditions for reaction, the products of the reaction, and the amounts of all substances involved. Word Equations In the simplest form, chemical equations can be expressed in words.  For example, the substance methane reacts with oxygen to…

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Math Review of Special Products of Binomials 150 150 Deborah

Math Review of Special Products of Binomials

Overview The FOIL Method is a shortcut to multiplying binomials, rather than using the distributive property twice.  Some special products of binomials suggest other patterns, such as the product of the sum and difference of two expressions, the product of squaring the sum of an expression, and the product of squaring the difference of an…

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Math Review of Multiplying Monomials and Binomials 150 150 Deborah

Math Review of Multiplying Monomials and Binomials

Overview Multiplying a binomial by a monomial follows certain rules, using the distributive and associative properties.  Multiplying a binomial by another binomial follows similar rules, and leads to the FOIL shortcut. Multiplying Monomials Remember that monomials can be multiplied by using the properties of rational numbers and the properties of exponents.  For example, the monomials…

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