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Chapter 15 Review, Section 2: Acid-Base Titration and pH
Keep it simple with this chemistry assignment. Learners examine an acid-base titration graph and answer four questions about the data. Then they will balance neutralization equations and calculate molarity for several specific solutions....
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Metals, Nonmetals, and Metalloids Lab
What an exciting way to introduce your blossoming chemists to the world of metals, nonmetals, metalloids, and polymers! Here is a lab activity that is designed to allow pupils the opportunity to visualize the reaction of metals,...
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Enzymes
With the help of this pair of slides, biology learners will be able to define enzymes and explain the optimal conditions for functioning. The first slide, with simple graphics, shows how enzymes function as catalysts for chemical...
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Chemical Equations and Stoichiometry
In this chemical equations worksheet, students calculate how many grams are used to in the equation written as well as the grams formed in the chemical equation. Students identify the limiting reagent in some of the chemical equations....
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Hydrated Salt
Students plan, design, and carry out an experiment to determine an empirical formula for a hydrated salt X that tell students when all the water has been removed from hydrate crystals.
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Expressions and Operations
In 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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Balancing Act
For this balancing equations worksheet, learners walk through 1 sample equation in which they determine the number of atoms for each element then add coefficients to the equation to balance the atoms. After completing the sample, they...
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Rate of Solvation
Pupils test factors that may affect the rate at which sugar dissolve in water. They conduct two studies: One is to test the effect of temperature on the rate of solvation and the other is to test a factor which Students come up with...
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Chemistry Word Search
In this chemistry worksheet, students locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.
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Physical or Chemical- That Is the Question!
Students differentiate physical and chemical changes. In this chemistry lesson, students give examples of each type of change. They take the review quiz at the end of the lesson.
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Enzymes
Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.
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Breathing Victory
Students discuss anaerobic respiration and how it relates to sprinting. After discussion of related processes, students create a brochure that explains the complex processes behind every muscular interaction.
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Lewis Structures
In this Lewis structures worksheet, students identify and describe what Lewis structures or dot diagrams are and how they illustrate the valence electrons in an outer shell. Then they use a periodic table to determine the numbers of...
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Alka-Seltzer Rockets: How to Build Your Own Rocket
Students create a rocket using Alka-seltzer of baking soda and vinegar. In this physics lesson, students identify the factors affecting the length of time the rocket is propelled. They relate this activity to actual rocket launched in...
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Chemical Leavening Agents
Students examine chemical leavening agents in dough and batters.
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Bhopal - Rate of Reaction
Students determine that the rate of reaction is affected by temperature, surface area, concentration of reagent, and addition of a catalyst or inhibitor. They observe that on December 3rd, 1984, 8000 people died when the chemical plant...
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Enzyme Lab
Students investigate the enzyme catalase. In this enzyme lesson plan, students observe a normal catalase reaction, they observe liver tissue, potato, chicken and apple for the enzyme catalase and they study the effects of temperature and...
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The Nature of Chemical Change: Acting Out An Example
Students illustrate the molecular nature of matter and show that chemical change involves alteration of molecules.
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Electrochemistry Homework Problem Set
In this electrochemistry worksheet, students balance 10 chemical equations and complete 28 additional questions about electrochemical cells.
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Stoichiometric Relationships
In this reactions activity, students learn how to solve stoichiometric problems based on the mole ratios of a balanced equation. Then students complete 7 problems.
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Writing "Thermochemical" Equations
In this thermochemical equations worksheet, students read about and practice writing equations for thermochemical reactions. They also sketch enthalpy diagrams of the equations if applicable.
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Word Equation Questions
In this chemical equations worksheet, students are given 37 word equations and they complete each by filling in the product or reactant that is missing using words.
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Fizzy Pop
Fifth graders compare and identify variables that affect the rate of a chemical change using Alka-Seltzer, water, ice, and hot water. They time how long each variable takes to pop the canister into the air, and record the results on a...
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Analyzing Oxidation-Reduction Reactions
In this oxidation-reduction reactions activity, students read about reactions where elements gain and lose electrons. When elements gain electrons they are reduced and when the lose electrons the elements are oxidized. They are given...
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