In this lab-based activity the students will use their knowledge about the …
In this lab-based activity the students will use their knowledge about the law of conservation of energy to explain the loss of heat by warm water to cold water. Then, the students will use these concepts to design and carry an experiment to determine the unknown temperature of a hot water sample.
Nour Sinada, Woodbury Junior High, Woodbury, MN, based on the an original activity from the curriculum of 9th grade physical science in South Washington County Schools and from the USAFA Department of Chemistry
This course uses the theory and application of atomistic computer simulations to …
This course uses the theory and application of atomistic computer simulations to model, understand, and predict the properties of real materials. Specific topics include: energy models from classical potentials to first-principles approaches; density functional theory and the total-energy pseudopotential method; errors and accuracy of quantitative predictions: thermodynamic ensembles, Monte Carlo sampling and molecular dynamics simulations; free energy and phase transitions; fluctuations and transport properties; and coarse-graining approaches and mesoscale models. The course employs case studies from industrial applications of advanced materials to nanotechnology. Several laboratories will give students direct experience with simulations of classical force fields, electronic-structure approaches, molecular dynamics, and Monte Carlo.
Concepts of building technology and experimental methods. Projects vary yearly and have …
Concepts of building technology and experimental methods. Projects vary yearly and have included design and test of strategies for daylighting, passive heating and cooling, and improved indoor air quality. Experimental methods focus on measurement and analysis of thermally driven and wind-driven airflows, lighting intensity and glare, heat flow and thermal storage, and load deformation of materials. Experiments are conducted at model and full scale and are often motivated by ongoing field work in developing countries.
This investigation will have students testing how heating and cooling can change …
This investigation will have students testing how heating and cooling can change the state of matter. They will test a variety of materials determine whether a change takes place through heating/cooling.
This activity is a 2 part lab activity where students record properties …
This activity is a 2 part lab activity where students record properties of various bars of soap, and make models of molecules as they are cooled or heated. Students develop a new experiment changing one variable.
This course aims to connect the principles, concepts, and laws/postulates of classical …
This course aims to connect the principles, concepts, and laws/postulates of classical and statistical thermodynamics to applications that require quantitative knowledge of thermodynamic properties from a macroscopic to a molecular level. It covers their basic postulates of classical thermodynamics and their application to transient open and closed systems, criteria of stability and equilibria, as well as constitutive property models of pure materials and mixtures emphasizing molecular-level effects using the formalism of statistical mechanics. Phase and chemical equilibria of multicomponent systems are covered. Applications are emphasized through extensive problem work relating to practical cases.
This 12-minute video lesson shows how N(t)=Ne^(-kt) describes the amount of a …
This 12-minute video lesson shows how N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. It is intended for students with a background in Calculus. It is not necessary for intro chemistry class.
This 18-minute video lesson discusses the intuition behind why spontaneity is driven …
This 18-minute video lesson discusses the intuition behind why spontaneity is driven by enthalpy, entropy and temperature. It includes an introduction to Gibbs free energy.
This introductory, algebra-based, two-semester college physics book is grounded with real-world examples, …
This introductory, algebra-based, two-semester college physics book is grounded with real-world examples, illustrations, and explanations to help students grasp key, fundamental physics concepts. This online, fully editable and customizable title includes learning objectives, concept questions, links to labs and simulations, and ample practice opportunities to solve traditional physics application problems.
The theoretical frameworks of Hartree-Fock theory and density functional theory are presented …
The theoretical frameworks of Hartree-Fock theory and density functional theory are presented as approximate methods to solve the many-electron problem. A variety of ways to incorporate electron correlation are discussed. The application of these techniques to calculate the reactivity and spectroscopic properties of chemical systems, in addition to the thermodynamics and kinetics of chemical processes, is emphasized. This course also focuses on cutting edge methods to sample complex hypersurfaces, for reactions in liquids, catalysts and biological systems.
Students use a watt meter to measure energy input into a hot …
Students use a watt meter to measure energy input into a hot plate or hot pot used to heat water. The theoretical amount of energy required to raise the water by the measure temperature change is calculated and compared to the electrical energy input to calculate efficiency.
Students use LEGO® motors and generators to raise washers a measured height. …
Students use LEGO® motors and generators to raise washers a measured height. They compare the work done by the motor-generator systems with the energy inputs to calculate efficiency.
Nate Barlow, Susan Powers, Jan DeWaters, and a number of Clarkson and St. Lawrence University students in the K-12 Project Based Learning Partnership Program
6.641 examines electric and magnetic quasistatic forms of Maxwell's equations applied to …
6.641 examines electric and magnetic quasistatic forms of Maxwell's equations applied to dielectric, conduction, and magnetization boundary value problems. Topics covered include: electromagnetic forces, force densities, and stress tensors, including magnetization and polarization; thermodynamics of electromagnetic fields, equations of motion, and energy conservation; applications to synchronous, induction, and commutator machines; sensors and transducers; microelectromechanical systems; propagation and stability of electromechanical waves; and charge transport phenomena.
"This course examines electric and magnetic quasistatic forms of Maxwell's equations applied …
"This course examines electric and magnetic quasistatic forms of Maxwell's equations applied to dielectric, conduction, and magnetization boundary value problems. Topics covered include: electromagnetic forces, force densities, and stress tensors, including magnetization and polarization; thermodynamics of electromagnetic fields, equations of motion, and energy conservation; applications to synchronous, induction, and commutator machines; sensors and transducers; microelectromechanical systems; propagation and stability of electromechanical waves; and charge transport phenomena. Acknowledgments The instructor would like to thank Thomas Larsen and Matthew Pegler for transcribing into LaTeX the homework problems, homework solutions, and exam solutions."
This Lesson provides two different activities that require students to measure energy …
This Lesson provides two different activities that require students to measure energy outputs and inputs to determine the efficiency of conversions and simple systems. One of the activities includes Lego motors and accomplishing work. The other investigates energy for heating water. They learn about by products of energy conversions and how to improve upon efficiency. The teacher can choose to use either of these or both of these. The calculations in the water heating experiment are more complicated than in the Lego motor activity. Thus, the heating activity is suitable for older students, only the Lego motor activity suitable for younger students.
Susan Powers, Jan DeWaters, Nate Barlow, and a number of Clarkson and St. Lawrence University students in the K-12 Project Based Learning Partnership Program
A seminar which addresses technical, economic, political, and environmental issues of chemistry …
A seminar which addresses technical, economic, political, and environmental issues of chemistry and society. Seminar is intended to give trainees participating in individual research groups that address widely different aspects of chemistry some common ground for thinking about environmental issues, and to develop a wide range of views about how society should deal with the interactions between chemical technology and the environment.
This is a teacher demonstration used to show an example of kinetic …
This is a teacher demonstration used to show an example of kinetic molecular energy using food coloring and water. The students are also given opportunity to develop their own questions and tests.
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