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Stoichiometry
In this stoichiometry worksheet, students determine the concentration of solutions and calculate the molarity of solutions for given chemical equations. This worksheet has 4 problems to solve.
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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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Entropy
In this entropy worksheet, learners review the Second Law of Thermodynamics and explore how entropy changes. This worksheet has 5 word problems.
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Stoichiometry Problems - Limiting Reagents
In this stoichiometry learning exercise, learners determine the limiting reagents and the mass of compound precipitated in given chemical reactions. This learning exercise has 4 problems to solve.
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Sea of Air #2
In this air learning exercise, high schoolers name gases found in the air, what gases are removed from the air during different processes, and determine what happens to air if there are changes in pressure, volume, or temperature. This...
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Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
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Solubility
In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.
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Anhydrides, Acid Rain and Titrations
In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...
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Blood and the Circulatory System
In this circulatory system worksheet, learners review the organs that are involved with this body system, including their structure and function. Students explore the problems that can occur with the circulatory system. This worksheet...
Creative Chemistry
Acids, Alkalis, and Salts
In this activity, learners review the definitions of acids, bases, and salts. They also describe the differences between acids and alkalis and define neutralization. This activity has two short answers and one problem to solve.
Creative Chemistry
Air Pollution
For this pollution worksheet, students read about how air pollution is created and the harmful products from car exhausts. Then, they complete nine short answer questions.
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Describing Chemical Reactions
In this chemical reactions worksheet, students fill in 12 blanks with the appropriate terms related to chemical reactions. They also indicate if 4 statements are true or false and match 7 words with their descriptions. Students complete...
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Mixtures
In this mixtures worksheet, students fill in 7 blanks, determine if 4 statements are true or false, match 7 terms with the appropriate definitions, and solve 2 problems. These include topics such as homogeneous and heterogeneous...
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Digestive System Quiz
In this digestive system worksheet, students answer 9 questions, 2 of which are multiple choice and 7 are short answer. Included are questions about the process of digestion and the structures of the digestive system.
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Thermodynamics
For this thermodynamics worksheet, students calculate the enthalpy change and free energy change for given reactions. students describe what happens to the entropy of a system and describe how its enthalpy changes. This worksheet has 20...
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Classification of Changes
In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...
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Solutions
In this solutions worksheet, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This worksheet has 2 short answer questions and 9 problems to...
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Other Aspects of Aqueous Equilibria
In this aqueous equilbria worksheet, students write the solubility product expressions for the given salts. Kids determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This worksheet has 14...
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Acids and Bases Worksheet
In this acids and bases worksheet, students determine the pH and pOH for a given solution. Students determine the conjugate acids for the given species. Students calculate which solution will have a higher pH. This worksheet has 16...
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Review Sheet for Matter Test
In this matter activity, students answer five questions about the law of conservation of mass. They identify substances as solids, liquids, gases or mixtures and they identify given items as matter or energy.
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Magnesium: From Sea Water to Fireworks
For this magnesium worksheet, learners read about how magnesium is extracted from sea water and the different uses of magnesium. Then students complete 4 short answer questions.
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Cell Cycle
For this cell cycle worksheet, 7th graders study the various images of the cell cycle. Students then label each picture with the correct cycle. Students then answer several questions about the cell cycle.
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Dilutions
In this dilutions learning exercise, learners determine the molarity of given solutions and calculate the volume necessary to dilute a solution to a specific molarity. This learning exercise has 5 problems to solve.
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Properties of Ionic Compounds
For this compounds worksheet, students describe why metals and nonmetals form ionic compounds and why the formation of ionic compounds are exothermic. This worksheet has 5 short answer questions.