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Subtract Fractions with Unlike Denominators
In this subtracting fractions worksheet, youngters learn to find equivalent fractions using a common denominator. They solve 11 problems in which simple fractions with unlike denominators are subtracted.
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ALARA
This activity sheet posts a chart of the common radiation sources in our everyday lives. Chemistry scholars use it to analyze their own radiation exposure using rem (Roentgen equivalent for man) units. This simple assignment increases...
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Flour Beetle
Students observe the life cycle of the common flour beetle and make observations of its life stages. They also design and implement an investigation on food preference for the beetle and record data over a period of several months....
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Mothers' Milk-Unleaded, Please
Lead toxicity is a hot topic these days, especially when it was a common component in household paint for many years. In Taiwan, there was concern that babies were being exposed to toxic levels of lead through breast milk. A study was...
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A Yen for Maximum Residue Limits in Food
Future public health officials or agriculturists read an article and answer questions concerning the Japanese regulations for pesticide exposure. They compare the maximum residue limit for two, 4-D of Japan with other countries. This is...
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The First American Party System: Events, Issues, and Positions
Learners identify factors which lead to the development of the Federalists and Democratic-Republicans. They examine the writings of Thomas Jefferson and Alexander Hamilton as well. They discuss what elements are needed for an orgainized...
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The British Origins of Industrialism
Tenth graders brainstorm the Industrial Revolution and how it changed the lives of people. They describe rural life in preindustrial Britain. They identify the factors that allowed Britian to become the first industrialized nations.
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The Metric System
Students practice converting metric measurements by completing the activities listed in this lesson. They first practice measuring common objects. They then convert metric measurements using the included worksheet.
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Practice With Complex Fractions
In this math worksheet, students find the solutions to the complex fractions. They practice finding the common denominators for each part of the rational expression.
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Acids and Bases
In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
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Catch a Wave. . .
Part of a larger online space science website, this page has a brief explanation of electromagnetic radiation and a chart of wavelengths as compared to common objects. There are four questions to answer about the information. This can be...
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Reading and Comprehension
Reading comprehension is defined and common problems with understanding text are outlined. Potential solutions are offered to help your group develop discernment skills. Starting with slide sixteen, a sample reading selection is shown...
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Name that metal!
Learners have to have had some experience with metals prior to using this worksheet. They are given five properties common to five different metals. They create or use a dichotomous key to identify the five mystery metals. Tip: This...
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Multiplying Matrices
Go over the basics of matrix multiplication, from checking the dimension of the factors, to applying the distributive property. This worksheet includes directions on when and how to multiply matrices, one example, and a few problems your...
Irish Osteoporosis Society
Osteoporosis
Osteoporosis has long been viewed as an "old ladies' disease," but there are many people at risk. There are also many things young people can do to reduce their risk factors. Learn about all of this and more through a comprehensive...
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Critters in Your Own Backyard
Learners identify various animals and their habitats, as well as their specific traits In this animal habitat lesson, students list animals they've seen in their backyard. Learners select one animal and do research. Students then answer...
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Converting Amount to Mass
In this elements worksheet, students practice converting a given amount of an element to the mass using its molar mass. This worksheet has 12 problems to solve.
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A Walk in the Woods
Eighth graders observe and identify the different levels of the forest. In this forest zones lesson students observe, identify and name a variety of forest components and describe how humans impact the forest ecosystem.
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Simple Factoring of Polynomials
In this polynomial worksheet, students use the factoring method to simplify polynomials. Examples and explanations are provided on this two-page worksheet. Ten problems are included.
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Rational Expressions
For this Algebra II worksheet, 11th graders simplify rational algebraic expressions by factoring and cancelling the common factors. The two page worksheet contains instruction, worked examples, and three practice problems. ...
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Factoring
Ninth graders factor equations and find prime numbers. In this algebra lesson, 9th graders find the factors and prime factors of a number using multiples and relatively prime numbers.
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Factoring Expressions
In this factoring worksheet, high schoolers factor guided monomials, then binomials, and work their way to trinomials. There are 8 questions with multiple parts.
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Factoring
In this algebra worksheet, learners solve quadratic equations and factor using complete the square. There are 20 problems.
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Adding and Subtracting Rational Expressions
In this algebra worksheet, learners add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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