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145-168 of 2,361 results for Materials Submitted by Barbra Bied Sperling

3D interactive model of picolinic_acid C_H_NO_ for demonstrating molecular geometry, vibrations, symmetry and orbitals.

3D interactive model of piperazine C_H__N_ for demonstrating molecular geometry, vibrations, symmetry and orbitals.

3D interactive model of piperidine C_H__N for demonstrating molecular geometry, vibrations, symmetry and orbitals.

Software to demonstrate the concept of stoichiometry and limiting reagent.

In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two... see more

While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend... see more

SimSE is an educational software engineering simulation environment who is a Premier Award Winner; TUES NSF Projects -... see more

Learners classify a variety of objects by their characteristics. They then design an experiment to determine which... see more

This activity is a classroom experiment where students participate or observe that different densities of liquids will... see more

Graphical illustrations of a heap of sort algorithms. Just how much faster is QuickSort, anyway?

This application uses percentages to shade in a map of the United States. It displays ten different data sets and their... see more

In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in... see more

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection through... see more

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by... see more

How does the development of antibiotic resistant strains of TB influence modern healthcare practices? We will consider... see more

This library from the classic Annenberg Learner series contains 52 videos (15 to 30 minutes each) demonstrating how the... see more

This networked laboratory simulation provides an environment in which students can select from hundreds of standard... see more

Explore Mars with a click of your mouse! Click on the image of Mars, and it will be redrawn with the selected point at... see more

A curriculum development project for high school and undergraduate students that uses real-time environmental date to... see more

In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its... see more

The Web Publishing Curriculum is housed at the University of Oregon and has been in existence since 1994. In the summer... see more

In this interactive and informative group activity, learners use packages of M&M's to illustrate the difference between... see more

This GPA Calculator can be used by students to calculate current as well as potential Grade Point Averages.

Although few weather phenomena have the ability to affect weather on a global scale, the jet streams are one such... see more