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1-24 of 2,361 results for Materials Submitted by Barbra Bied Sperling

In this interactive, students explore, at their own pace, how global climate change may affect health issues. Issues... see more

This web site celebrates the 50th anniversary of the discovery of the DNA structure by delving into "DNA science." The... see more

This learning resource is an interactive multimedia Guide to Cancer Biology. The topics include the hallmarks of cancer,... see more

This is a dynamic simulation of a two-link arm in free-fall Clicking on the Let Go button will start the simulation. The... see more

This is a dynamic simulation (written in Java) of a position-controlled two-link arm. Right mouse moves the base of the... see more

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

When radiation therapy is used to treat cancer it is given in moderate size daily fractions for a period of weeks. This... see more

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

This java applet (and accompanying material) is designed to simulate an experiment to find the effect of varying the... see more

No more memorizing color-code charts! The ActiveX Resistance Calculator does the work for you. This program uses various... 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

Your Genes, Your Health is a multimedia guide to genetic disorders. Fifteen single gene disorders are profiled with... see more

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

Life Preservers is a video game based on National Science standards that teaches about evolution, adaptation, and the... see more

From the popular Annenberg/CPB Channel workshop "Private Universe Project in Mathematics," this Shockwave simulation... see more

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

The AAAS (American Association for the Advancement of Science Atlas of Population and Environment is an important... see more

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

Practice your knowledge of acute, obtuse, and alternate angles. Also, practice relationships between angles - vertical,... see more

The ARMA Grapher is a simple Time Series applet that allows the user to define their own ARMA(2,2) model. The applet then... see more