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1-24 of 769 results for Materials Submitted by Barbra Bied Sperling

In this activity, learners use microarray technology to determine which genes are turned on and off at various points in... see more

Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the... see more

Add different salts to water, then watch them dissolve and achieve a dynamic equilibrium with solid precipitate. Compare... see more

The Virtual Courseware Project produces interactive online simulations to help enhance the learning and teaching of... see more

This Macromedia ShockWave applet illustrates visually the concept of interference of transversal waves. The user can set... see more

This calculator is designed to replace tables (e.g. NACA 1135) in performing basic compressible aerodynamics... see more

This Macromedia ShockWave is an adding machine for vectors. The vectors to be added can be adjusted by clicking and... see more

This Macromedia ShockWave applet illustrates the principle of accommodation in the eye. The user adjusts the distance... see more

Using toothpicks, straws, or tubes of rolled up newspaper, learners create 3-dimensional models to illustrate the basic... see more

Set of java applets for illustrating classical physics (highschool level), including gravitation, electric and magnetic... see more

This activity (on page 2 of the PDF) is a full inquiry investigation into how hairs from a crime scene are matched to... see more

This applet will help you solve gas dynamical problems involving isentropic flows, flows with normal shock, oblique shock... see more

In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using... see more

This applet allows the user to select different forces and masses. The force, in the form of a walking M&M, imparts an... see more

A java applet of Linear motion, velocity, acceleration, constant acceleration, gravity, freely falling body. It displays... see more

This java applet covers Biot-Savart Law, Magnetic Field of a Solenoid, constant magnetic fields, electromagnetism,... see more

This java applet covers Magnetic fields from current sources, Biot-Savart law, current, long straight wires (LSW).... see more

This java applet covers Magnetic fields from current sources, Faraday's law, induced current, induced voltage, induced... see more

This assignment covers Magnetic field produced by a current segment, Biot-Savart law, and long straight wire.... see more

This assignment covers Magnetic field produced by a current segment, Magnetic field, Lenz's law, induced EMF, induced... see more

This Java applet is used to draw any Mohr's circle for 2D stress analysis, given any set of stresses : sigma_x, sigma_y,... see more

The National Marine Sanctuary Program identifies, designates and manages areas of the marine environment of special... see more

A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a... see more

This Macromedia ShockWave applet allows the user to click and drag a puck on the computer screen. The applet displays the... see more