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WS 4.8-Review
In this chemistry review worksheet, students solve a variety of problems including balancing equations, solving for unknowns using dimensional analysis, finding percent yields, limiting reactants and empirical formulas.
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WS 5.6 Graham's Law
In this gases learning exercise, students use the concepts of Graham's Law of diffusion to determine the velocity of gases and molecules. They describe kinetic energy and how it relates to the mass and velocity of objects.
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WS 3.3 Nomenclature II
For this nomenclature worksheet, students are given twenty-eight compounds to write the formulas for and they are given twenty eight formulas to name. The compounds include covalent compounds, ionic compounds and acids.
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WS 4.1 Balancing Equations/Formula Weight
In this balancing worksheet, students determine if equations are balanced, they place the proper coefficients in front of products and reactants to balance equations and they find the formula mass for molecules and compounds.
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WS 1.9-Review Calculations
In this calculations learning exercise, students find significant figures in numbers, they determine densities of substances and objects, they convert from one metric unit to another and they determine the appropriate unit of measurement...
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WS 9.3 Le Chatelier's Principle
In this Le Chatelier's Principle worksheet, students are given three chemical reactions along with various disturbances on the systems. They must indicate the effects of each disturbance on the concentrations of products and reactants in...
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WS 10.9 Ka/Kb
In this weak acid and base worksheet, students find the pH of solutions given the equilibrium constants for each of the weak acids and weak bases.
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WS 10.8 Acid-Base Neutralization and Titration
In this acid and base worksheet, students write balanced equations for neutralization reactions, they calculate volumes of acids and bases needed to titrate solutions and they determine molarities of solutions.
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pH Lab
In this pH worksheet, students experiment with dilutions of acidic solutions to test for the pH using cabbage as an indicator. They then test a variety of substances for pH. On day two of the lab, they test conductivity of solutions and...
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Precipitate Lab
This lab guide gets chemistry students to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations for...
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Isomers
In this isomers worksheet, students define isomers and then draw the different isomers for the given chemical formulas. This worksheet has 30 problems to solve.
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Cross-Linked Polymer Lab
High schoolers use short-chain polymers and borate ions to produce cross-linked polymers in the lab. In this cross-linked polymer lesson plan, students produce polyvinyl acetate slime and polyvinyl alcohol slime and test their physical...
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WS 12.9 Aromatic Compounds
In this aromatic compounds worksheet, students write the IUPAC names for given aromatic compounds and they draw line formulas for molecules.
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WS 12.8 More Organic Reactions
In this organic molecules worksheet, students write structural formulas for products of reactions of alkenes. They also write equations using structural or line formulas for halogenation reactions and hydrohalogenation reactions.
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The "Clock Reaction" Kinetics Lab
Students investigate the effects of temperature and concentration on the rate of reactions. For this "clock reaction" kinetics lesson plan, students change the concentration of one reactant and keep the second constant. An indicator is...
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WS 10.1 Solubility Product
In this solubility worksheet, students find the solubility product constants for four compounds and use solubility product constants to determine solubility data of four compounds.
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WS 10.2 Electrolytes and Solubility
In this electrolytes and solubility worksheet, students answer questions about electrolytes and write balanced equations for the dissociation of salts in water. They also determine solutes that are soluble in water and write balanced...
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WS 4.3 Stoichiometry Part I
In this stoichiometry worksheet, learners use four balanced equations to calculate mole of products made, moles of reactants needed for chemical reactions to proceed and mass of reactants needed to produce products.
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WS 7.1-Specific Heat and Calorimetry
In this specific heat and calorimetry worksheet, students are given specific heats of substances and they must find the amount of heat needed for particular reactions to proceed. In addition, students find specific heats given the amount...
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WS 5.7 Phase Diagrams
In this phase diagram worksheet, students answer questions about three given diagrams. They determine the boiling point, melting points and sublimation points for each substance. They also answer questions about the triple points and the...
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Painter of the Caves
What a great lesson! Learners read a story called Painters of the Caves by Patricia Lauber which discusses Stone Age wall paintings in Avignon, France. There is a series of discussion questions, comprehension questions, and a graphic...
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Photosynthesis
We all know photosynthesis happens, but why should we care? Here is a unit that covers everything young scholars need to know about photosynthesis. Hands-on activities, assessments, and lectures guide pupils though the physiology of...
National History Day
Heroes Who Made a Difference: Memorializing a Distinguished Service Cross Award Recipient
Ever wonder how to memorialize World War I heroes in the classroom? Activities in a high-quality social studies resource prompt middle schoolers to research Internet sources, complete a graphic organizer, and write an editorial feature...
Centers for Disease Control and Prevention
Solve the Outbreak
Pretend to be an Epidemic Intelligence Service officer for the Centers for Disease Control and Prevention. Detectives deal with data and make decisions to determine the dawn of the disease!
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