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Activity #15 The Snowy Christmas Tree
Students weigh out the proper amount of silver nitrate and prepare the silver nitrate solution. They observe what occurs when pure copper is added to silver nitrate solution. Pupils determine whether the change in the appearance of...
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Slime and Polymers
Young scholars participate in an experiment to demonstrate how mixing certain chemicals together can change the consistency of both chemicals. Glue, water, and borax are used to create a slime-like substance which is examined to...
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Stoichiometry
In this stoichiometry instructional activity, students determine the concentration of solutions and calculate the molarity of solutions for given chemical equations. This instructional activity has 4 problems to solve.
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Superballs
Students mix two different solutions to become more familiar with molecules and polymers. In this chemistry lesson, students decide whether or not the reaction between two solutions is chemical or physical. Students then observe the...
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Classification of Changes
In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...
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Ka and Kb Calculations
In this solutions worksheet, students calculate the pH of given solutions or calculate the Ka or Kb for chemical compounds. This worksheet has 11 problems to solve.
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Making Plastic
Students experiment to create a plastic solution. In this science instructional activity, students use sodium borax and polyvinyl alcohol to create their solution, then identify, discuss, and chart observations on the end product.
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Stoichiometry Problems - Limiting Reagents
In this stoichiometry worksheet, students determine the limiting reagents and the mass of compound precipitated in given chemical reactions. This worksheet has 4 problems to solve.
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Expressions and Operations
For this expressions and operations worksheet, 9th graders solve and complete 10 different multiple choice problems that include various types of expressions. First, they determine the complete factorization of a given trinomial. Then,...
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Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
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Titrations
In this titrations worksheet, students calculate the concentration of solutions and the molarity of solutions for the given chemical equations. This worksheet has 4 problems to solve.
Creative Chemistry
Titration Calculations
In this titration learning exercise, students calculate the moles of acids in a given amount of solution, balance equations, and calculate the concentrations of given acids. There are 10 problems to solve.
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Molarity Homework
In this molarity worksheet, students calculate the molarity and concentration of different solutions. This worksheet has 5 problems to solve.
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Acids, Copper, and Zinc
Students observe chemical reactions using post-1982 pennies. They observe the reaction of an acid with zinc but not copper under the same conditions over a two week period.
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More on Temperature and Solubility
Pupils discover how temperature effects the solubility of solutes by experimenting with a range of temperatures. They develop skills for observing, inferring, measuring, comparing and contrasting.
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Nothing New? A Physical Change
Fifth graders discuss the differences between chemical and physical changes. In groups, they complete experiments and discover how a physical chnage can be reversed. To end the lesson plan, they review the steps of the water cycle and...
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Stoichiometry Problems - Limiting Reagents
In this stoichiometry worksheet, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This worksheet has 5 problems to solve.
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Chemistry 152 - Competencies
In this chemistry competencies worksheet, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
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Invisible Ink!
Students explore how chemical reactions occur. After a brief discussion of household chemicals and how they work, students prepare a solution of invisible ink. Students create a message with their ink and watch the reaction as their...
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Acid Base Equilibria
In this acid and base worksheet, students classify compounds as acids or bases and write down its equation. Students calculate pH of chemical compounds. This worksheet has 14 problems to solve.
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Ice Energy
Students learn how science affects foods. In this chemical reactions lesson, students make two kinds of ice cream. They evaluate the different changes based on the ingredients.
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Equilibrium
In this equilibrium worksheet, students predict the concentrations of solutions at equilibrium and apply Le Chatelier's principle to systems at equilibrium. This worksheet has 15 multiple choice questions.
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Starch is Everywhere
In this science learning exercise, students add a few drops of iodine solution to each of 10 substances to determine if they contain starch. The iodine will turn blue if the item contains starch.
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Chemical Equilibrium
Students explore Le Chatelier's Principle. In this lesson about chemical equilibrium, students do an experiment with several different activities . Students observe as they do the experiments and understand the outcome. Students become...