Discover the relationship between mass, volume and density by weighing and submerging various materials under water. Do objects like aluminum, Styrofoam, and wood float or sink? Can you identify all the mystery objects by weighing them and submerging them underwater to measure their volumes?... Platforms: Mac, Mac OS X v10.4

Keyword: Affect, Changing, Characteristic, Density, Differing, Explain, Floating, Measure, Object, Objects, Property, Relate, Relative, Similar, Submerging, Understand, Volume, Volumeaboveliquidsurface, Weighing

The QM Superposition Launcher package is a self-contained file for the teaching of the time evolution and visualization of energy eigenstates and their superpositions in quantum mechanics. The file contains ready-to-run OSP programs and curricular materials. One can choose from several real-time... Platforms: Mac, Mac OSX

Keyword: Archive, Compiled, Curricular, Distributed, Mechanics, Osp Superpositionjar, Package, Packagethe, Physics, Position, Quantum, Readytorun, Source, Superposition, Support, Teaching, Worksheets, Written

This simulation gives students a powerful way to investigate the meaning of shape and slope for three types of motion graphs: position vs. time, velocity vs. time, and acceleration vs. time. The simulation starts with a motion diagram of a blue ball moving horizontally, with a position vs. time... Platforms: Mac, Mac OSX

Keyword: Acceleration, Analyze, Correctly, Graphs, Initial, Interpret, Matching, Motion, Position, Predict, Requires, Simulation, Sliders, Sliding, Straightline, Student, Students, Velocity

The Statistical and Thermal Physics (STP) Package contains read-to-run computer models and curricular materials for the teaching of statistical and thermal physics. You can choose from many different simulations and calculations ranging from probability distributions to Ising models. The STP... Platforms: Mac, Mac OSX

Keyword: Application, Clicking, Compadre, Compiled, Distributed, Double, Eclipse, Found, Installed, Ising, Modelsthe, Osp Stpjar, Package, Program, Programs, Readytorun, Searching, Source, Workspace

The Newton's Law of Cooling model computes the temperature of an object of mass M as it is heated by a flame and cooled by the surrounding medium. The model assumes that the temperature T within the object is uniform. This lumped system approximation is valid if the rate of thermal energy... Platforms: Mac, Mac OSX

Keyword: Computes, Cooling, Cools, Energy, Faster, Fluid, Function, Heats, Model, Newton, Object, Sphere, Surface, Surfacethe, Surrounding, Temperature, Thermal, Transfer, Uniform

The Kicked Rotor model shows the dynamics of a rotating bar (rotor) that is kicked periodically. This model is also known as the standard map or the Chirikov-Taylor map. Each impulsive kick changes the angular momentum of the rotor instantaneously and the bar rotates uniformly between kicks.... Platforms: Mac, Mac OSX

Keyword: Clicking, Compiled, Created, Designed, Distributed, Dynamics, Easier, Installed, Kicked, Model, Modeling, Modelquot, Modify, Popup, Quotopen, Readytorun, Rotor, Simulations

The Monte Carlo Pi program program uses a Monte Carlo routine to approximate pi by approximating the area of a unit circle. The program is distributed as a ready-to-run (compiled) Java archive. Double-clicking the ejs_stp_MonteCarloPi.jar file will run the program if Java is installed on your... Platforms: Mac, Mac OSX

Keyword: Access, Carlo, Compadre, Computer, Designed, Easier, Found, Generate, Information, Installed, Modify, Monte, Physics, Program, Programs, Project, Searching, Source, Statistical, Thermal

The Ejs Wave Function Plotter model displays a one-dimensional wave function u(x,t) depicting a disturbance at position x and time t. The disturbance can be mass density, pressure, or electric field depending on the physical context. The default wave function is sinusoidal but any other analytic... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compiled, Distributed, Disturbance, Double, Ejs Osc Chains Wavefunctionplotterjar, Function, Installed, Model, Modeling, Models, Modify, Physics, Plotter, Program, Readytorun, Simulations, Source

The EJS Lennard-Jones Potential model shows the dynamics of a particle of mass m within this potential. You can drag particle to change its position and you can drag the energy-line to change its total energy. The Lennard-Jones potential function is a reasonably accurate model of interactions... Platforms: Mac, Mac OSX

Keyword: Archive, Change, Clicking, Created, Depth, Distributed, Double, Ejs Stp Lennardjonespotentialjar, Energy, Equal, Lennardjones, Model, Models, Particle, Physics, Potential, Source, Units

The EJS Cellular Automata Rules Model shows a spatial lattice which can have any one of a finite number of states and which are updated synchronously in discrete time steps according to a local (nearby neighbor) rule. You can change the lattice size, pick different rules (0 to 255 as classified... Platforms: Mac, Mac OSX

Keyword: Archive, Automata, Cellular, Clicking, Compiled, Distributed, Double, Installed, Itemthe, Lattice, Model, Modeling, Models, Modify, Physics, Readytorun, Rules, Source

Take a look at this exiting story about a boy???*a*?s aspirations towards his favorite basketball team. Even though he?*O*s too short, too young, and has little experience, he still does his best to demonstrate his passion for the game. Enjoy this story as our protagonist decides to participate... Platforms: Mac, Mac OS X v10.5, Mac OS X v10.6

Keyword: Added, Child, Colorful, Effects, Features, Friendly, Guaranteed, Interactive, Sound

To accompany use of the textbook Reading Greek, by the Joint Association of Classical Teachers (JACT), Cambridge University Press. Now updated for the second edition of "Reading Greek." This program includes all the learned vocabulary from the textbook, allows this vocabulary to be sorted and... Platforms: Mac, Mac OS X v10.5

Keyword: Click, Creates, Download, Flashcards, Higher, Leopard, Quizzes, Requires, Teachers, Writing

PriorsEditor is a general workbench for regulatory region analysis and transcription factor binding site discovery. The program emphasizes the use of positional priors to focus the search for binding sites towards portions of DNA sequences that are considered more likely to contain true... Platforms: Mac, Mac OSX

Keyword: Analyzed, Developed, Drabl Sthe, Graphical, Interface, Kjetil, Klepper, Motif, National, Perform, Postprocessed, Priorseditorthe, Professor, Research, Software, Supervision, Supported

The Astronomical Parallax 2D Model illustrates the phenomenon of parallax in astronomy. Parallax is the apparent displacement of an object relative to the background that is caused by the motion of the observer (rather than the motion of the object itself, or of the background). This simulation... Platforms: Mac, Mac OSX

Keyword: Aligned, Assumed, Bottom, Circles, Distant, Ecliptic, Extreme, Locations, Moves, Played, Position, Rotates, Simple, Stars

The Galileo's Moon Mountain Model illustrates the method used by Galileo to measure the height of a mountain on the Moon. Using his improved telescope design, Galileo was able to see spots of light in the otherwise dark potion of the Moon. He interpreted these spots as mountain peaks which caught... Platforms: Mac, Mac OSX

Keyword: Absolute, Allowed, Appears, Bottom, Didn, Grazes, Kmone, Modern, North, Shown, Shows, Sunlight, Units, Visible, Window

This program calculates the observed rate constant (kobs) for reactions dependent on 1 to 7 protonic states. XH6 = XH5 = XH4 = XH3 = XH2 = XH = X The program calculates and plots the pH curves for the protonic states XH6, XH5, XH4, XH3, XH2, XH or X as well as the composite curves and... Platforms: Mac, Mac OS X v10.6

Keyword: Bellfit, Brocklehurst, Computer, Conventional, Examples, Fitting, Ionization, Ppmfit, Programs, Schemes, Sigfit, Sitethis, Support, Values

In this simulation, you can investigate the electric force that one charged particle exerts on another. The electric force is shown in three ways. First, particle 2 can be dragged left or right to sample the force at various locations - the force on each particle is shown with an arrow. Second,... Platforms: Mac, Mac OSX

Keyword: And The, Anotherthe Electric, Arrow, At The, At Various, Bottom, Box, Check, Define Positive, Dragged, Investigate, Left, Negative, Sample, Simulation, Third You Can, To The Right, Ways, Ways Particle

The Ejs Three Charged Particles model displays three charged objects, one at each corner of an equilateral triangle. The charges have different magnitudes - your job is to rank the charges based on their magnitudes, from largest to smallest. You can drag the charges around to see the effect on... Platforms: Mac, Mac OSX

Keyword: Access, Archive, Charged, Charges, Clicking, Compiled, Distributed, Double, Ejs Chargesjar, Installed, Magnitudes, Model, Models, Modify, Particles, Physics, Program, Readytorun, Source

The RandomWalk1D program simulates a random walk in one dimension for steps of unit length and equal time intervals. The default number of steps is N = 16 and the probability of going right or left at any step is the same (the probability p of going to the right for a single step is 0.5).... Platforms: Mac, Mac OSX

Keyword: Archive, Clicking, Compadre, Compiled, Computer, Distributed, Found, Installed, Physics, Probability, Program, Programs, Readytorun, Searching, Source, Statistical, Steps, Thermal

The GR Classical program simulates orbits of objects around a central mass using Newtonian mechanics. It also displays a plot of the effective potential well in which the orbiting particle resides. GR Classical is part of a suite of Open Source Physics programs that model aspects of General... Platforms: Mac, Mac OSX

Keyword: Additional, Archive, Classical, Classicaljar, Clicking, Compadre, Compiled, Distributed, Double, Found, General, Installed, Physics, Program, Programs, Readytorun, Relativity, Searching, Source, Visualizations