If you teach Chemistry, you might like...

LOGAL Chemical Kinetics is a simulation package that permits experiments with atomic and molecular interactions. The micro-world in Chemical Kinetics opens to inquiry important facets of kinetic theory and the gas laws. Students can vary the mass and size of molecules as well as temperature of the system. For more advanced studies students can change activation energy of a molecule or the delta H for the reaction. Questions like "How would doubling the temperature quantitatively affect a reaction?, or "How would changing molecular mass or size effect the number of effective collisions?" LOGAL Chemical Kinetics is suited to secondary physical science students. What do I get? A CD with the LOGAL Chemical Kinetics software on it in Windows and Macintosh format and a teacher's guide on use of the simulation. What do I need to use it? A Windows or Mac computer with 8 meg of RAM and 4 meg of disk space and a CD drive. What content is in a lesson? Click here to view an activity for Chemical Kinetics. How does changing the mass of a molecule affect the diffusion rate? It will diffuse more slowly, that is clear but what is the quantitative relationship between diffusion and temperature? The built-in spreadsheet lets results of many simulations be stored and plotted. Texas Instruments CBL, a portable data acquisition device, brings real world data collection to the classroom. Students design and collect data from experiments on motion, cooling, and rotation. Data is shared with student calculators for interpretation and data fitting. CBL is a tool that can be used across the whole year. A workbook gives many applications of the CBL for a chemistry classroom. What do I get? One CBL interface with temp, and light probes, a Sonic Ranger, a work book with software to run the CBL and probes. What do I need to use it? TI Graphing Calculators, TI Graph LINK software, an LCD panel and display calculator. What content is in a lesson? Click here to view the introductory activity for CBL. Getting the interface to work is the first challenge. Experts are on-line to help you over glitches.

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