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Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
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Chemical or Physical?
Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...
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Chemistry Worksheet 6
In this chemistry worksheet, high schoolers calculate specific changes that take place with different chemical reactions. Students indicate whether the reactions are endothermic or exothermic and spontaneous or nonspontaneous.
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Le Chatelier's Principle
For this chemical equilibrium worksheet, students review Le Chatelier's Principle and predict the direction of equilibrium shift for different changes to a chemical reactions. Students also review enthalpy and entropy. This worksheet has...
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Elements of Chemistry: Compounds And Reactions
Students identify substances and discover common substances and their chemical composition. In this chemistry lesson students write a description of the substances and how they are used.
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Reaction Rates-Catalysis, Concentration, Surface Area, and Temperature
Students determine the meanings of concentration, surface area, and catalysis through an experiment. In this lesson about chemical reactions, students participate in an experiment. Students complete three different parts of the...
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Completing/Balancing Word/Symbol Equations
In this chemistry worksheet, students predict the reactants and products of chemical reactions. They complete and balance 10 chemical equations.
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Temperature and Keq
The presentation offers a set of three problems related to temperature and equilibrium reactions. It walks through solving each, reminding pupils how to figure for the forward and reverse rates.
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Chemical Reactions
In this chemical reactions worksheet, students determine the half-life of a chemical compound for a decomposition reaction. Students determine the activation energy for the reverse of a reaction. This worksheet has 2 problems to solve.
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Energy from Hydrocarbons
In this energy from hydrocarbons worksheet, students read about endothermic and exothermic reactions and how hydrocarbons release heat as fuels. Students read how to measure heat changes in reactions and practice finding the specific...
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Forcing Electrons to Move
In this electrolytic cell instructional activity, students read about car batteries and how they produce electricity for cars to run. They answer six questions about electrolytic cells and oxidation-reduction reactions.
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Changing Sugar
In this chemical and physical change worksheet, students use a sugar cube and observe its physical properties both when it is whole and after it is crushed. They heat the sugar cube and record 5 properties of the matter while being...
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Standard 4-Photosynthesis, Diseases and the Immune System
In this photosynthesis, disease and Immune System worksheet, students fill in the blanks with key terms to complete sentences about the transfer of energy from the sun to plants, enzymes as catalysts in reactions, homeostasis, the immune...
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Mystery Powders
Fifth graders evaluate the physical properties of 5 powders. Each powder is subject to different conditions. They describe each observation as with a chemical change or a physical change.
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Alka-Seltzer Cannons
Fourth graders observe what is happening when an Alka-Seltzer tablet is placed in a clear cup of water. They observe the release of carbon dioxide gas. Pupils answer the question of how much as is released by observing the experiment...
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Chapter 17 Worksheet- Equilibrium
In this equilibrium worksheet, students answer eleven questions about chemical reactions, equilibrium concentrations and endothermic and exothermic reactions. They write equilibrium expressions for chemical reactions and they explain...
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Chemistry: Atoms
In this chemistry worksheet students complete a series of multiple choice and short answer questions on elements, chemical reactions and balancing equations.
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Chemical Engineering: Volcanoes
Students study volcanoes using a chemical engineering project. In this volcanoes lesson, students create a model town and discuss the properties of a volcano. Students then make a volcano using a chemical engineering format for their...
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Chemical Equilibria
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...
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Chemical Equilibria
In this chemical equilibria worksheet, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This worksheet has 8 problems to solve.
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Precipitation and Neutralization Reactions
In this chemical reactions worksheet, students determine the balanced formula equation, balanced complete ionic equation, and the balanced net ionic equation for given reactions. Students calculate final concentrations for ions in given...
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Displacement Reactions and Acid/Base Reactions
In this chemical reactions learning exercise, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and...
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How Are The Properties of Covalent Compounds Influenced By Chemical Bonding?
Students work together to observe the bond lengths of single, double and triple bonds. They make their own predictions about the strength of the bonds and chemical reactions. They answer discussion questions to complete the lesson.
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Reacting Masses Problems
In this chemical reactions instructional activity, students follow steps to determine the mass of compounds formed by the combustion of an element. This instructional activity has 5 problems to solve.