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Rocketry
Middle schoolers design and construct a paper rocket that can be launched with a drinking straw. They participate in a lecture and read an article about rocketry and how Newton's Third Law applies to rocket launches. Each student...
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Equilibrium Calculations
In this equilibrium worksheet, students calculate the equilibrium concentrations for given compounds. This worksheet has four problems to solve.
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Spontaneity, Disorder and Entropy
In this physical and chemical change worksheet, students calculate the entropy change involved in different chemical changes. This worksheet has 4 problems to solve.
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Equilibrium Problems
In this equilibrium worksheet, students determine the equilibrium concentrations and the equilibrium constant for the given reactions. This worksheet has 5 problems to solve.
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Acids and Bases
For this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
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Writing Half Reactions
In this half reactions worksheet, students read about redox reactions and learn how to write half reactions showing the oxidized part of the reaction and the reduced part of the reaction. Students are given 10 redox reactions and they...
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Working with Moles
In this moles activity, students 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
In this Bohr model activity, students 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 worksheet, learners 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 learning exercise, 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 learning exercise, learners 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...
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Formula Mass
In this formula mass worksheet, learners 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, students 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 activity, 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
For 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, learners read about how neutralization reactions are double replacement reactions in water. They complete five questions about neutralization reactions including completing five reactions and...
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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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Extracting Oxygen from Moon Rocks
For this extracting oxygen from moon rocks worksheet, high schoolers 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...
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Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
High schoolers 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...
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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
For this early atomic theory worksheet, 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 supports or...
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