Online Experiments and Simulations
University of Oregon VLab, National Council of Teachers of Mathematics
and the University of Nebraska, Lincoln

http://jersey.uoregon.edu/vlab/
See Dave Caley's Homepage:  http://javalab.uoregon.edu/dcaley/

 

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Atomic Emission
Move electrons to different energy levels and observe absorption and emission of photons.

Atomic Emission Applet for Java Plugin

 

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Emission and Absorption Spectra of Elements 1-99
Online java applet that provides the emission and absorption spectra of elements 1-99.

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http://jersey.uoregon.edu/vlab/AtomicEmission/Interactive.html
 

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Least Squares Fit NCTM
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Interactive Demo Online

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Understanding the Least-Squares Regression Line with a Visual Model: Measuring Error in a Linear Model

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Linear Least Squares Regression Calculator [UNL]

 

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Online Graphing Applet A specialized graphing applet. Enter and modify data points, plot a least squares regression line, match functions to fit the data, and other cool stuff. -
 

bullet The Piston - Ideal Gas Law In this series of experiments, you will control the action of a piston in a pressure chamber which is filled with an ideal gas. This experiment is set up so that changes in the state of the gas, e.g. its Temperature, Volume and Pressure, are automatically recorded on the graphical tool.
 
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Units Use the three fundamental units (mass, length, time) to describe other units.

 

 

 

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