Chemistry and earth science meet in a instructional activity on carbon dioxide emissions. After reading about atmospheric problems caused by using fossil fuels, science stars balance equations for the burning of different alkanes. They...

Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...

Although there are only six questions on this chemistry handout, it makes a thorough review of solutions. Novices explain why a compound is not an electrolyte, identify types of compounds, and calculate moles, grams, and molalilties in...

For advanced chemists, this worksheet examines heat change during chemcial reactions. Alkanes are examined first. Learners calculate the energy released or needed during a reaction.

This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...

Young scholars convert mole to mass to particles and vice versa. In this chemistry lesson, students discuss the importance of Avogadro's number. They apply what they have learned in a team competition.

In this stoichiometry worksheet, students calculate theoretical yield and percent yield. This worksheet has 2 problems to solve.

Students review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the...

Students complete a worksheet on solutes in chemistry. They are given an equation in order to find the total mass solution, molarity, and molality.

In this energy worksheet, students calculate the enthalpy of chemical reactions to answer 9 problems. They determine whether the reaction is exothermic or endothermic.

Students design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.

In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.

In this thermochemistry worksheet, students solve a variety of problems including finding heats or reactions, determining specific heats of substances, finding the amount of energy released in a calorimeter determining the final...

For this chemistry overview worksheet, students review stoichiometry, states of matter, thermochemistry, gas laws, chemical bonding, molarity, chemical equilibria, and kinetics. This worksheet has 41 problems to solve.

In this acid/base and equilibrium learning exercise, students solve seven problems including calculating equilibrium concentrations of all species in a reaction, calculating the pH of solutions, determining the direction of a reaction at...

In this redox reaction worksheet, high schoolers perform a redox titration to determine the number of iodide ions that react with each mole of iodate (V) ions in a solution. They calculate their answer using a given equation.

Learners define several vocabulary terms related to chemicals and toxicology. Students calculate chemical concentrations in water and explain the toxicological principles that govern safety of substances. Learners conduct an...

In this physical and chemical change worksheet, students calculate the entropy change involved in different chemical changes. This worksheet has 4 problems to solve.

Young scholars apply the ideal gas law and Dalton's Law of Partial Pressure to develop an experiment which determine the molar mass of butane from disposable lighters. In small groups, they develop a procedure and have it approved...

In this volumetric analysis learning exercise, high schoolers use a standard solution they made of sodium carbonate to find the concentration of a hydrochloric acid solution by titration. Kids calculate the number of moles of sodium...

In this compounds worksheet, young scholars determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.

Students discover the law of conservation of mass though experimentation.  In this chemistry lesson, students experiment with acid - base indicators to determine the presence of carbon dioxide. Students complete the labs with...

In this rates worksheet, young scholars determine the rate of production or consumption for given reactions. Students write chemical equations in complete ionic form or net-ionic form. This worksheet has 6 problems to solve.

Students 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 the...