Curated OER
Ratio and Proportion
In this ratio and proportion activity, students solve 22 short answer and multiple choice problems. Students use rates, proportions, and ratios to solve each problem.
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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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Gases Worksheet
In this gases worksheet, students solve twenty problems using the gas laws and their understanding of the relationship between energy and temperature and energy and velocity.
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Chemical Reactions
In this chemical reactions worksheet, students compare endothermic and exothermic reactions, closed and open systems, and reactants and products. Students review physical and chemical changes and how to balance equations. This worksheet...
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Chapter 12 Worksheet - Ions, Ionic Bonding, anc Covalent Bonding
Four pages provide plenty of problem solving practice for chemistry whizzes. They answer questions and write electron configurations for ions. They use Lewis dot diagrams to display equations. Covalent bonds are explored. The last half...
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Chemistry 116 Exam 1, Spring 2009
This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...
Science Geek
Stoichiometry
Watch your class react when you tell them they're going to study stoichiometry! The lesson demonstrates four examples. Scholars must write and balance the chemical equation and then make the conversion to find the correct mass or volume....
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The Nature of Covalent Bonding
In "The Nature of Covalent Bonding," chemistry hopefuls demonstrate an understanding of various types of covalent bonds, electron configuration, and resonance structures through fill in the blank, true or false, and matching questions....
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Formula Units
In this chemistry worksheet, students examine the concepts of mole and molarity in order to apply in the laboratory setting. The sheet includes in depth background information.
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Metabolism Test Review
In this metabolism test review, students define several terms. Kids write balanced chemical equations for aerobic cellular respiration. Students complete several multiple choice questions.
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Formulas and Mole Conversions
In this formulas and mole conversion worksheet, learners answer 22 graphic organizer, multiple choice, and short answer questions pertaining to formulas and mole conversion.
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Physical vs. Chemical
For this physical vs. chemical change worksheet, students answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer 1...
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Nuclear Magnetic Resonance
Eleven slides are used in this PowerPoint to present how nuclear magnetic resonance works and to give learners an opportunity to interpret examples of nuclear magnetic resonance spectra. Ample information is provided, so this is a...
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The Krebs Cycle and Electron Transport
A three-page, mostly multiple choice quiz that would work great as a pretest/post-test for the topic of cellular respiration. It also includes diagram interpretation and a couple of short-answer written response questions. Depending on...
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Introduction to the Mole
Students are introduced to the mole concept using a discovery-based method. Lesson includes activities with candy that allow students to discover the rules for mole-item, item-mole, mole-mass, and mass-mole conversions.
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Isomers and Polymers
Young scholars create models of structural isomers, geometric isomers, and polymers. In this chemistry lesson, students are given definitions and molecular model kits to create a variety of different isomers and polymers.
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The Math of Science-Balancing Chemical Equations
In this balancing equations activity, students are given directions as to how to balance equations and they practice what they learned. They complete three equations by placing the proper coefficients in front of the reactants and products.
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Isomer
In this isomer worksheet, students use molecular model kits to build isomers. Students work in groups and draw and name the isomers they build. They answer 9 questions about both geometric and structural isomers.
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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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Stoichiometry
In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.
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The Many Faces of Energy
For this energy worksheet, students are given a table of the many measurements of energy. They solve 6 problems converting from one measurement of energy to another using the conversion factors given.
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Stiochiometry: Quantifying Changes in the Environment
Students examine stoichiometry. For this chemical reaction and mole lesson, students complete an experiment based on readiness levels to explore that changes are quantified in chemical reactions.
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Explorit's Chemistry Quiz
In this chemistry activity, students complete a six question multiple choice quiz about chemistry. This is an on-line interactive activity.
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The Structure of Matter
In this matter worksheet, learners compare and contrast chemical and physical properties and explain the relationship between a pure substance and a mixture. Students review the properties of metals and nonmetals. This worksheet has 1...