Curated OER
Rate Laws Quiz
In this rate laws learning exercise, students solve four problems. They determine rates of reactions, they determine which rate laws is used, they determine the overall reaction order and they identify the rate of appearance and...
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Combustion Analysis Worksheet
In this combustion worksheet, students are given directions as to how to analyze a combustion reaction and they then solve five problems using this process.
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WS 4.7 Writing Chemical Reactions
For this chemical reactions worksheet, students are given fourteen chemical reactions that they must write using chemical formulas for the reactants and products. They balance each equation by placing the proper coefficients in front of...
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Naming Acids
In this naming acids worksheet, students are given a chart with polyatomic ions and acid names with oxidation states, prefixes and suffixes. They use the chart to help name the eighteen given acids.
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Organic Chemistry-Naming Substituted Hydrocarbons
In this substituted hydrocarbons worksheet, high schoolers learn how to name compounds using a table of organic functional groups and the rules for naming hydrocarbon compounds. They practice naming twenty substituted hydrocarbons.
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Interpreting Chemical Formulas
In this chemical formulas learning exercise, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
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The Bohr Model vs. the Wave Mechanical Model
In this Bohr model and wave mechanical model worksheet, students read about the differences between these two models of the atom. Students answer four questions about these models.
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Chemical Reaction Rates
Learners observe demonstrations to show factors that affect rates of chemical reactions. In this rates of chemical reactions lesson, students investigate how catalysts, reactant concentrations, temperature and surface area affect the...
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Exponential Problems
In this algebra worksheet, students solve exponential problems by rewriting it in standard form. They rewrite number using scientific notations and solve word problems. There are 10 problems with and answer key.
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Acids and Bases
In this acids and bases worksheet, students complete 32 fill in the blank and short answer questions on acidity or alkalinity. They color molecular diagram according to the key.
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Stellar Evolution and the Fate of Earth
Eighth graders identify the different stages in the life cycle of a star. In this astronomy lesson, 8th graders read H-R diagrams and analyze data. The describe how the Sun's evolution will affect Earth in the future.
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It's Just a Phase: Water as Solid, Liquid and Gas
Students construct models of the way water molecules arrange themselves in three physical states - solid, liquid, and gas. They explain the molecular behavior of ice, water, and water vapor.
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Periods and Groups; Valence Electrons; Masses
In this elements instructional activity, learners read how the elements are organized in periods and groups in the periodic table. Students use the periodic table to find the valence electrons and calculate molecular mass. This...
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Integrating Space Science-Our Changing Universe
In this universe worksheet, students read about the big bang theory and the evolution of the stars from the elements. Students answer four critical thinking questions about the beginnings of our universe.
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Multiplying and Dividing in Scientific Notation
In this scientific notation worksheet, students are given examples of how to multiply and divide using scientific notation and they practice both.
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Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses learning exercise, learners are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
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The Moon's Atmosphere
In this moon's atmosphere worksheet, high schoolers read about the tenuous lunar atmosphere and solve 4 problems. They find the density of helium particles, they find the grams of given atoms in the moon's atmosphere and they find the...
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Surface Water and Groundwater
Students examine distribution of water and minerals. In this surface and groundwater instructional activity, students conduct an experiment with fresh and salt water making hypothesis and drawing conclusions about minerals.
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Fizzies Virus
Young scholars participate in a simulation activity about how disease spreads. They describe how disease spreads and trace a disease to the first infected person.
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Making Molecular Models
In these creative hands-on activities, students construct several different molecular models that represent substances that play an essential role in our nutritional needs. Using gum drops and toothpicks, students design the models....
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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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Water Cycle Activity
Learners build a model and observe the cycle of evaporation and condensation that occurs in the water cycle. They see how the water cycle works, such as water condensing on the side of the jar and drops precipitating into rain that...
Alabama Learning Exchange
Stars
Fourth graders examine the life cycle of a star while listening to Roy Gallent's, When the Sun Dies. They conduct Internet research and recreate a star's life cycle after viewing an animation.
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pH Scale, acids and bases
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
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