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Working with Moles
In this moles activity, high schoolers read about mass, formula mass and moles. They calculate the masses of given numbers of moles of compounds and they calculate the number of moles of given masses of compounds.
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Chemical Change vs. Physical Change
In this physical and chemical change activity, students are given a description of these changes. They are given ten changes that the students identify as chemical or physical changes based on their reading.
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Using the Combined Gas Law
In this combined gas law worksheet, students use the relationship between temperature, pressure and volume to complete a table using the combined gas law. They find volumes, pressure and temperature of substances given two of the...
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Understanding the Bohr Model
For this Bohr model worksheet, high schoolers read about Neils Bohr and the model he proposed of the atom. Students answer nine questions about his theory that electrons travel in orbitals and give off energy when they are excited.
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Titration
In this titration activity, students read about titrations or neutralization reactions used to determine the concentration of acids or bases. They are given sample problems used to find the concentrations of acids or bases. Students...
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Converting among Units
In this conversion worksheet, student use the factor-label method or unit analysis method to convert given measurements from one unit to another unit.
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Empirical Formulas
In this empirical formulas worksheet, students read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the mass and...
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Formula Mass
In this formula mass worksheet, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.
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Formulas from Masses
In this mass worksheet, learners determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
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WS 1.0 Math Skills Update
In this math skills worksheet, students find percentages, they convert from ordinary notation to scientific notation, they convert from scientific notation to ordinary notation and they manipulate algebraic expressions.
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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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Water: The Neutral Substance
In this water worksheet, students read about hydrogen bonds in water and the differences in electronegativity between the oxygen atom and the two hydrogen atoms in water. Students answer four questions about the structure of water and...
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Neutralization Reactions
In this neutralization reaction worksheet, high schoolers read about how neutralization reactions are double replacement reactions in water. They complete five questions about neutralization reactions including completing five reactions...
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Analyzing Oxidation-Reduction Reactions
For this oxidation-reduction reactions worksheet, 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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Extracting Oxygen from Moon Rocks
In this extracting oxygen from moon rocks activity, students read about the need for oxygen for lunar colonists. Students solve 2 problems about the lunar mineral ilmenite which contains oxygen and other elements. They find the molar...
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Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
Students calculate stoichiometrically the amount of carbon dioxide that would be emitted from burning a mole of varios alkanes that comprise fossile fuels. If the energy released from burning a mole of these alkanes is known, then the...
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Honors-Acid and Base Properties Homework
In this acid and base worksheet, students answer 8 questions about Arrhenius, Bronsted-Lowry, and Lewis bases. They determine Bronsted-Lowry conjugate acid-base pairs and they identify compounds and solutions as acids, bases or neutral.
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Early Atomic Theory Homework
In this early atomic theory learning exercise, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement...
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Kinetic Energy
Young scholars are able to solve kinetic energy problems. They are introduced to kinetic energy. Students are shown examples of how to solve kinetic energy problems using the formula: Velocity= Distance/Time.
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Chemical Composition of American Coins
High schoolers investigate the chemical composition of pennies dated 1983 or later. In this chemical composition of American coins lesson plan, students scratch the surface of the penny to expose the zinc core. They put the penny in...
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Ionic Chemical Formulas Days 1 & 2
Students study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...
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A Fine Mess
In this enthalpy and entropy worksheet, students read about the differences between enthalpy and entropy and answer three critical thinking questions about the reading.
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PV=nRT=Bang!
In this ideal gas law worksheet, students watch a demonstration using liquid nitrogen, a plastic 2 liter bottle and a garbage can of water that excites kids to use the ideal gas law to solve problems. Students analyze the results of the...
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Educational Subjects
In this interactive vocabulary worksheet, learners 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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