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Stoichiometry
For this stoichiometry worksheet, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
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Molar Ratio
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
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Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
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Energy of Activation
Young scholars determine the activation energy of a chemical reaction.
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Combustion
In this combustion pre-lab worksheet, students determine the chemical equation for the reaction, define combustion and exothermic, and describe the molar heat of combustion. This worksheet has 14 short answer questions.
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Magic Genie
Students observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.
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Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
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General Chemistry I
In this chemistry instructional activity, students balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the...
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Acid-base Homework Problem Set 2
In this acid-base reaction worksheet, students calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.
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Metabolism Test Review
In this metabolism test review, students define several terms. Students write balanced chemical equations for aerobic cellular respiration. Students complete several multiple choice questions.
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Chemistry: Metals and Non-Metals
Students conduct an experiment to test the reactivity of metals and non-metals. In this chemistry lesson students test metals with different chemicals to observe the reaction. The results are used to categorize the metals.
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Applying the Activity Series
In this activity series activity, high schoolers read about single replacement reactions and are given a table with the activity series of metals and nonmetals. Students use the activity series to predict if reactions will occur and they...
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Rate Law Problems
For this rate law worksheet, students calculate the rate of reactions at specific temperatures with the given rate law for the reaction. This worksheet has 5 problems to solve.
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Chemistry Worksheet 4
In this chemistry worksheet, students determine the pH of a buffer solution to several problems given. Students write a balanced ionic equation for several aqueous solutions.
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Micro-Reaction Lab: Double Replacement
High schoolers demonstrate reactions that occur between two aqueous solutions. The driving force of the reaction is the formation of an insoluble product. They have to follow a series of directions and then record their observations and...
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Earth and Matter
In this matter learning exercise, students review the Earth's layers, write balanced equations, and compare the properties of different elements. This learning exercise has 29 fill in the blank questions.
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Physical vs. Chemical
In this physical vs. chemical change instructional activity, students answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students...
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Mixtures, Percentage and Equation Stoichiometry
In this chemistry worksheet, learners answer 2 problems on solution stoichiometry. They calculate the mass of products formed given a certain amount of reactant.
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The Nucleus / Nuclear Reactions and Elementary Particles
Students describe how radioactivity relates to alpha and beta particles. Using their properties, they write a descriptive paper about the gamma rays and alpha and beta particles. They calculate q-values and the half-life of a given...
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Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
LABScI
Electrolysis: Splitting Water
Explore the chemical components of water through an electrolysis reaction. Scholars use a battery to divide various water solutions into different gases. As they collect the gases, they measure the volume and make a comparison to the...
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M&M Science and Math
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
American Chemical Society
Forming a Precipitate
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on activity,...
Chymist
Energy of a Peanut
Are you nuts? An engaging experiment burns nuts to find their kilocalories. Young chemists analyze at least two different types of nuts with their experimental results versus what is on the package. The resource offers a great lab...