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Lactose Intolerance
Students are taught how enzymes enable chemical reactions to occur a body temperature and how the lack of enzymes in the body can cause problems in the break-down and absorpion of nutrients. They match up different enzymes with the...
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Combustion
In this combustion pre-lab learning exercise, students determine the chemical equation for the reaction, define combustion and exothermic, and describe the molar heat of combustion. This learning exercise has 14 short answer questions.
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Newton's Third Law
Students use inquiry and observation to explore Newton's third law of motion: for every action there is a reaction. In this physics lesson, students rotate through six stations set up with materials and picture directions illustrating an...
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Rate Expression Worksheet
In this reactions worksheet, students determine the rate expression of the given reaction plus the order of the reaction in each of the reagents. This worksheet has 3 problems to solve.
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Le Chatelier's Principle
In this chemical reaction worksheet, students apply Le Chatelier's Principle to explain how the given changes in reaction conditions will affect the position of equilibrium. This worksheet has 6 problems to solve.
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Equilibrium
In this equilibrium worksheet, students determine the effect of adding or subtracting items from a reaction. Students determine the equilibrium constant for given reactions. This worksheet has 13 problems to solve.
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Energy Worksheet
In this energy worksheet, learners calculate the enthalpy of chemical reactions to answer 9 problems. They determine whether the reaction is exothermic or endothermic.
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General Chemistry I
In this chemistry worksheet, students balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...
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Electrochemistry Sample Problems 2
In this electrochemistry instructional activity, students determine the half reaction and the standard cell potential. Students identify the species that is the strongest oxidizing agent. This instructional activity has 11 problems to...
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Applying the Activity Series
In this activity series learning exercise, high schoolers read about single replacement reactions and are given a table with the activity series of metals and nonmetals. Students use the activity series to predict if reactions will occur...
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The Fall of the Ruler
Students determine their reaction time using a ruler. In this Physics lesson, students calculate the class' means and variances. They plot the graph and analyze if there are outliers.
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Chemical or Physical?
Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...
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Thermodynamics Homework Problem Set
In this chemistry learning exercise, students determine the equilibrium pressure of NO at each temperature listed. Then they explain why lowering the combustion temperature would have any effect on the NO emission. Students also use the...
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Newton's Third Law
In this Newton's Third Law worksheet, students complete a table identifying the action force and reaction force of several examples. Students demonstrate a basic understanding of Newton's Third Law by filling in missing blanks and...
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Rate Law Problems
In this rate law worksheet, students calculate the rate of reactions at specific temperatures with the given rate law for the reaction. This worksheet has 5 problems to solve.
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Water-holding Capacity of Earth Materials
Students design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
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ENDOWING SUPPORT ELEMENTS
Students demonstrate how an actor might engage sensate reaction using 3 sets of stage props. They imagine and use as many sense reactions as they can to make the props become endowed with a reality. They use one table and chair to...
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Reacting Masses Problems
In this reactions worksheet, student determine the products of a reaction, balance an equation, and calculate the number of moles in an experiment. This worksheet has 4 problems to solve.
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Thermodynamics
In this thermodynamics worksheet, students calculate the enthalpy change and free energy change for given reactions. students describe what happens to the entropy of a system and describe how its enthalpy changes. This worksheet has 20...
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Rocket Pinwheel
Students explore the action-reaction principle of Newton's Third Law of Motion. In this rocketry activity, students construct a pinwheel using a balloon, soda straw, and wooden pencil. Students investigate the results.
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How Do We Generate a Large Amount of a Specific DNA Sample?
Pupils investigate the Polymerase Chain Reaction technique that is used to create larger amounts of a gene. They watch and discuss a PowerPoint presentation, explore a website, and write a report listing the materials needed to...
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Acid-base Homework Problem Set 1
In this acid-base reaction worksheet, students balance reaction equations when acids and bases are mixed then calculate the pH of the solution. There are 2 questions with a total of 18 parts.
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Titration
In this titration learning exercise, students calculate the pH of a solution at different points during a chemical reaction. Students write a balanced net ionic equation for the major equilibrium reaction. This learning exercise has 3...
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Chemistry: Metals and Non-Metals
Students conduct an experiment to test the reactivity of metals and non-metals. In this chemistry lesson students test metals with different chemicals to observe the reaction. The results are used to categorize the metals.
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