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Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
Chemistry and earth science meet in a lesson 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 compute the...
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Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
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...
Curated OER
Diurnal Cycling Experiments
Students carry out an experiment to monitor diurnal fluctuations in dissolved oxygen, carbon dioxide, pH, and water temperature. They determine the CO2 and pH of the samples (and optionally, dissolved oxygen). Students complete their...
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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...
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Balancing Act
In this chemistry worksheet, students determine the number of atoms in each element and select one that is not equal on both sides of the equation. Then they add a coefficient in front of the formula with that element and adjust their...
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Separation Techniques
Wow! Expose your chemistry class to every method of separating mixtures by showing this slide show. Learners will view diagrams and graphic organizers that support notes about filtration, chromatography, distillation, centrifugation, and...
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WS 4.4 Stoichiometry Part 2
Four balanced chemical equations are presented for your pupils to analyze. They identify limiting reagents and use dimensional analysis to compute products. This practical worksheet is one that you will want to keep in your repertoire to...
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Distillation
A sequence of slides that show the apparatus set up for varying practices of distillation. The equipment pieces in each diagram are labeled and their purpose noted. Your class can use these pictures to help set up their own equipment, or...
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Stoichiometry
Balancing equations is a foundational skill for starting chemists. There are a few slides in this PowerPoint with colorful diagrams that help to explain how. Unfortunately, the presentation begins with an unrelated table of contents and...
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...
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How Cells Harvest Energy
Survey the metabolism process from respiration through the production of the ATP molecule with this seven page AP biology worksheet. Pupils write short answers on the lines provided and label a diagram of the cellular respiration process.
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Kidney Structure and Function: removing intracellular waste
Your class will learn all about the function of the kidney and how it operates in animals from different habitats. The methods of absorption, filtering and excretion are detailed and pupils will learn of the different disposal methods...
Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice worksheet on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy for each.
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Cellular Respiration: Harvesting Chemical Energy
A complete overview of oxidation, reduction, and how electrons are moved in respiration. You could use this slide show to elaborate on the concept of harvesting stored energy, and to summarize the stages of aerobic and anaerobic metabolism.
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Balancing Chemical Equations
In this chemical equations worksheet, students practice balancing chemical equations by completing 21 equations. This worksheet includes an answer key.
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Transport in Plants
Quite a detailed and advanced look at the transport mechanisms of a plant. The absorption and control of sugar and water concentration are explained and will help an understanding of homeostasis concepts and organ specialization.
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Balancing Chemical Equations
In this balancing chemical reactions instructional activity, students fill in the proper coefficients in front of the reactants and products of 20 equations to balance each given chemical equation.
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Writing "Thermochemical" Equations
In this thermochemical equations worksheet, students read about and practice writing equations for thermochemical reactions. They also sketch enthalpy diagrams of the equations if applicable.
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Chemical Equations and Stoichiometry
In this chemical equations worksheet, students write ten combustion equations given a hydrocarbon compound. They write the equations and balance each.
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Chemical Equations
In this chemical equations worksheet, students write the symbols for the products and reactants and then write balanced symbol equations for the 20 chemical reactions given.
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Photosynthesis:The Calvin Cycle
From the light reaction to the Calvin cycle, this presentation contains information about the various stages of photosynthesis. This is a great supplement to some of the biochemistry-heavy presentations about the specific mechanisms....
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WS 4.3 Stoichiometry Part I
In this stoichiometry worksheet, students use four balanced equations to calculate mole of products made, moles of reactants needed for chemical reactions to proceed and mass of reactants needed to produce products.
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What Happens When Chemical Are Put Together?
In this chemical reactions worksheet, students answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.
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Stoichiometry
In this stoichiometry instructional activity, students balance equations, give the names of the reactants and products, and calculate how many grams of product could be produced with a given amount of reactant. This instructional...