Learners work together to develop and implement an experiment. They investigate the properties of nylon and construct a mobile of organic materials. They share their experiments with the class.

Students conduct several simple lab activities to explore the five fundamental load types that can act on structures: tension, compression, shear, bending, and torsion. In this activity, students play the role of molecules in a beam...

Learners perform computer simulations on air dispersion. In this chemistry lesson, students calculate energy transfer based on specific heat and temperature change. They explain the causes of smog.

Students participate in an activity of a mock electrophoresis using paper chromatography to study DNA and genetic restriction mapping.

An advanced explanation of the valence shell electron pair repulsion (VSEPR) theory describes specific molecular models involving digonal, trigonal, tetrahedral, and octahedral coordination, as well as central atoms with five bonds....

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with the basic components of the Kinetic-Molecular Theory in addition to...

Students work through animated models showing the effects that electron repulsions have on the shape of a molecule in this web-based activity. In addition, shared and unshared electron pairs are demonstrated to define a molecule's shape....

The C4 molecular library has models of alkynes that can be rotated and examined in 3D. Choose viewer, select the hydrocarbon menu from CONTENTS and scroll down to alkynes.

[Free Registration/Login may be required to access all resource tools.] The following online tutorial explains the basis of VSEPR theory. It helps students predict the shapes of molecules and polyatomic ions using VSEPR theory and it...

Presents examples of molecules that do not match the expected bond angles in the Valence-Shell Electron-Pair Repulsion Model. Requires Java.

View a 3D molecular model of ethane and see how changing temperature affects its movement.

Students work as engineers to learn about the properties of molecules and how they move in 3D space through the use of LEGO MINDSTORMS NXT robotics. They design and build molecular models and use different robotic sensors to control the...

Investigate how we can learn about molecular structure using x-ray crystallography in this module.

The main objective for this exercise is to enhance your study of the properties and structures of biological molecules with modern computer graphics. Rather than passively viewing illustrations of molecular structure as they occur in...

These models show the structures of some basic molecules such as water and carbon dioxide, then move on to show more complex molecular strautures.

Explains the principles of the Valence-Shell Electron-Pair Repulsion Model, and gives examples of the geometry. Requires Java.

Numerous molecular biology interactive activities along with a program that can automatically keep models and reports to keep track of progress.

The Computers in Chemistry at Cabrillo College project creates visually compelling and effective educational chemistry software for both students and instructors. Includes molecular models, student exercises, tutorials, and posters that...

This activity introduces the concept of a computer model as well as the typical controls used by models in the Molecular Workbench. (Requires Java)

Observe the movements of a molecular planetary gear.

A collection of interactive simulations relating to molecular crystals.

"This model shows a design of an electronic star coupler that can split an input electric signal into three outputs."

A model that explores why electrons are so important in chemistry. Investigate electron clouds, what happens when two atoms come together, and chemical polarity.

View a hypothetical model of gears created be intermolecular interactions.