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Esters: The Secret of Natural and Synthetic Fragrances
Students investigate esters, make an ester and detect esters in natural foods and plants. In this esters lesson plan, students detect smells of hidden objects, produce an ester using peas, brown sugar and apple and demonstrate how to...
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Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
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Water Resource Engineering
Students examine solubility and the significance of water. In this aqueous solution lesson students complete a lab activity on soil profiles.
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Chemical Equations
In this chemical equations worksheet, students balance equations. This worksheet has 22 chemical equations to write out and balance.
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Equilibrium Review Sheet
In this equilibrium worksheet, students answer 5 questions about reactions reaching equilibrium, the concentration of the products and reactants when they reach equilibrium, and the effects of temperature changes, quantities of reactants...
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TESI 04 Lesson Plan
Students write and balance five chemcial equations which have been observed throughout the process of completing the experiment. They use vacuum filtration to recover suspeneded particals from a colloidal suspension. Students correctly...
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Identifying Reaction Types
In this reactions worksheet, students are given nine chemical reactions to identify as single replacement, double replacement, synthesis or decomposition reactions.
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Molarity
In this molarity worksheet, students are given the equation to find moles per liter of solution. They solve ten problems finding molarity of solutions, moles needed to make particular molar solutions and mass needed to make particular...
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A Salt and Battery
In this battery activity, high schoolers read about oxidation-reduction reactions and voltaic cells. They are given a diagram of an electrochemical cell and they answer four questions using the cell. They also identify the anode given...
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Forcing Electrons to Move
In this electrolytic cell worksheet, students read about car batteries and how they produce electricity for cars to run. They answer six questions about electrolytic cells and oxidation-reduction reactions.
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Molarity and Stoichiometry
For this molarity worksheet, students apply the definition of molarity to the given balanced equations. This worksheet has 4 problems to solve.
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Solutions Review
In this solutions worksheet, students review the properties of solutions, the polarity of molecules, molarity, and solubility curves. This worksheet has 8 short answer questions and 15 problems to solve.
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Animals and Humans Say the Darnedest Things
Students explore and analyze human and animal communications and create a short film that illustrates their findings.
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Basic Vitamins: Water-Soluble and Fat-Soluble
High schoolers examine vitamins and study their functions and food sources. They research what happens to vitamins when foods are overcooked. They prepare a microwaveable vegetable quiche.
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Review Sheet for Covalent Compound Quiz
In this covalent compounds worksheet, students name 6 compounds given their chemical formulas, they write the formulas for 6 compounds given their chemical names and they answer questions about boiling points and solubility. They write...
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Proteomics
Students analyze data taken from proteomic experiments. In this biology lesson, students explain the importance of bioinformatics tools in the study of proteins. They evaluate scientific results using math and computer software.
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What do Chemists See When they Look at Chemicals?
In this chemicals worksheet, students answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.
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Rechargeable Batteries
Students explore how rechargeable batteries work by conducting a series of experiments. In this physics lesson, students discuss the benefits of using rechargeable batteries over disposable ones. They build their own battery charger...
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The "Laws" and Principles of Chemical Reactions
In this chemical reaction principles worksheet, students read about definite proportions and the law of conservation of mass. Students read about how to balance a chemical equation. Then students complete 20 fill in the blank, 2 short...
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Chemical Sleuthing
Learners engage in a lesson which includes flame tests and the construction of a simple diffraction spectrograph with which to measure sodium ion emissions. They use the Bragg equation to compute the wavelength of the line spectra produced.
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Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
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Writing the Complete Equation
In this writing equations worksheet, students are given 6 chemical reactions and they write equations for each one including the reactants, the products and the states of matter.
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Educational Subjects
In this interactive vocabulary worksheet, students read the description of educational subjects and select the subject which the sentence is describing. There are 10 questions to complete.
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A Formula for SI Catch-Up
In this SI units instructional activity, students read about converting from SI units to non-SI units. They are given a conversion chart and they use it to convert from one unit of measurement to another in seven problems.
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