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Combustion
In this combustion pre-lab learning exercise, students determine the chemical equation for the reaction, define combustion and exothermic, and describe the molar heat of combustion. This learning exercise has 14 short answer questions.
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The Chemistry of Fire and Other Oxidation Reactions
Students explore the process of combustion.
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Types of Reactions
In this reactions worksheet, students describe combustion as either exothermal or endothermal. Students balance reactions and label the types of reactions. This worksheet has 1 multiple choice, 2 short answer, and 10 problem solving...
Creative Chemistry
Fossil Fuels Summary
As the title suggests, this is a simple summary of fossil fuels. There are no questions or problems to solve or no notes about fossil fuels. The notes cover how fossil fuels are formed, how we extract them, what humans use them for, and...
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Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
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Floating Candles
Students observe a combustion reaction and deduce the components necessary for the reaction to occur. They also identify and interpret the relationship between pressure, volume, and number of molecules for gasses. Finally, students use...
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Thermodynamics
In 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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2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
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Combustion or Lack of Oxygen
Fourth graders experiment and see the combustion of ethanol, then write a report about why ethanol didn't ignite a second time.
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Chemical Analysis and Stoichiometry
In this chemical analysis learning exercise, learners use a combustion analysis report to calculate the empirical formula for compound samples. This learning exercise has 2 problems to solve.
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Reacting Masses Problems
In this chemical reactions worksheet, students follow steps to determine the mass of compounds formed by the combustion of an element. This worksheet has 5 problems to solve.
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Biodiesel Combustion and Its Influences in NOx Emissions
Tenth graders evaluate the physical mechanisms that cause a change in NOx emissions. In this combustion instructional activity, 10th graders participate in a research project. Students create a presentation of their findings.
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Heat of Reaction
In this reactions worksheet, students define enthalpy, heat of formation, and Hess's Law. Students determine how many kilojoules are released during specific reactions. This worksheet has 6 short answer questions and 11 problems to solve.
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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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How Do Car Engines Work?
High schoolers perform an experiment which simulates what happens inside an internal combustion engine. They explain how the chemical reaction they witnessed is similar to what happens inside the car engine.
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What Happens When Chemical Are Put Together?
In this chemical reactions worksheet, learners answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.
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Exam Review: Chemistry Calculations
In this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
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Oxidation and Combustion: Chemical Reactions in Fire
Students study oxidation and define vocabulary pertinent to it. In this oxidation lesson students make predictions and create experiments
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Compounds
In this compounds worksheet, students write the structural formula for a given compound. Students draw all line isomers for a given compound. Students name the compounds from their structural formula. This worksheet has 8 problems to solve.
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Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
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Stoichiometry
In this stoichiometry worksheet, learners solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
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Stoichiometry in the Real World
Real world chemical reactions are used as examples for teaching stoichiometry. Viewers work through air bag inflation, fat conversion to water in a camel, rocket fuel combustion, and carbon dioxide removal in spacecraft. Make...
Texas State Energy Conservation Office
Investigation: Chemical Models
Science teams make models of four different hydrocarbon compounds that we commonly use for fuel. Then they demonstrate chemical reactions that result when energy is produced. This can be used as an enrichment when your class is studying...
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...