Curated OER
Review Set
The topics covered in these multiple choice questions are about atomic structure and bonding, state configurations, pressure and solution concentration, and energy graphs. This is a midterm review which could be used with the whole...
Curated OER
Thermodynamics
In this thermodynamics activity, students calculate the change of entropy and standard free energy change for given reactions. Students write expressions for the thermodynamic equilibrium constants for reactions. This activity has 10...
Curated OER
Other Aspects of Aqueous Equilibria
In this aqueous equilbria worksheet, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This worksheet has 14...
Curated OER
Chemical Equilibria
In this chemical equilibria worksheet, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This worksheet has 8 problems to solve.
Curated OER
Chemical Equilibria
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...
Curated OER
Auxin: Indole-3-Acetic Acid
Students identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
Curated OER
Characterization of the Bioluminescence (Lux+) Gene E. coli
Students grow E. coli strain HB101, which contains the plasmid pUCD607 with the bioluminescence (Lux+) gene. The plasmid containing the Lux+ gene is isolated from the E. coli, then characterized by restriction analysis.
Biology Junction
What Is Ecology?
Do you know the name for the biological study of interactions? A short presentation with accompanying worksheet introduces individuals to ecology. The materials offer a broad overview of the subject and the levels of organization to...
Kenan Fellows
Effects of a Golf Course on Stream Health
Is the golf course causing issues in the stream? Find out with a resource that has groups perform chemical water tests to analyze the effects of a golf course on a stream. Pupils collect water above and below the course and analyze the...
Southwestern Medical Center
A Classroom Demonstration of Protein Folding
Does the mention of proteins and polypeptide relationships in your classroom result in mass confusion? Does the attempt to teach this important concept generate multiple questions and, at times, lead to a room filled with blank stares?...
Curated OER
Liquids and Solids
Young scholars describe the properties of solids and liquids, and explain how a semiconductor works. In this atom lesson students demonstrate the bonding properties of carbon and silicon.
Curated OER
Thermochemistry
In this thermochemistry worksheet, students calculate the enthalpy of vaporization as well as the write the thermochemical expression for the production of the chemical reaction.
Curated OER
Reaction Rates and Catalysis in Ethanol Production
Students investigate alternative catalysts for the degradation of hydrogen peroxide. In this fermentation lesson students complete an activity that breaks down cellulose into sugar.
Curated OER
Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
Curated OER
Experiments in Nanotechnology: Ferrofluids
Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...
Curated OER
Classifying Chemicals
For this acids and bases worksheet, students identify the strengths of acids and bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases, they find the molarity...
Curated OER
Our Universe: Designed or Evolved?
Students brainstorm and write arguments for Evolution and Intelligent Design. They research the history of each of these ideas. They also examine the controversy of teaching one or both ideas in schools.
Curated OER
Molecular Evolution in Plants
Learners examine chlorophylls. They explore the absorbing pigments in a variety of plants. Through activities, students determine spectrophotometrically. They compare plant proteins from the family Brassicace to assess the level of...
Curated OER
Hydrology: Flood Mitigation
Twelfth graders discuss the different factors that can contribute to major floods. In this ecology lesson, 12th graders analyze collected rainfall data. They complete a scavenger hunt after the lesson.
Curated OER
Hydrology: Flood Mitigation
Twelfth graders discuss the factors that affect flooding. In this environmental science lesson, 12th graders analyze rainfall data about flooding. They complete a scavenger hunt worksheet using the internet.