Visually inspect virtual molecules and their reactions to changes in energy levels and vibrations. Choose from 24 different molecules and adjust viewing angle, pace of simulation, and more. Create a presentation of your explorations as...

College-level site goes into great detail about chemical bonding properties, as far as energies, structure, angles, and length. Infrared absorption, the greenhouse effect, and global warming are addressed to exemplify bond length...

Help your students understand the scale of nanosize objects with this activity. By placing a drop of oil on top of another, students will estimate the size of an oil molecule. Includes activity instructions, analysis questions and...

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 both Boltzmann Distribution and the velocity of gas molecules.

Explore the movement of the molecules in a solid.

This is an article published by the American Physical Society on friction in microscopic gears that results from the adhesion of molecules. A great exploration of this new obstacle in science.

With an overview of topics related to chemical energetics, this site provides a foundation to a study of thermodynamics with information on thermal energy. Topics covered include heat capacity, temperature, translational motions of...

Learn about London forces, which increase the attraction between polar molecules and the attraction between nonpolar molecules. Pictures and chemical structures allow for further understanding. Also find links for animations and...

Read a history of the discovery and study of DNA and its structure. Links to a graphic, other references, and classroom activities.

As part of the General Chemistry Virtual Textbook, this site continues a study conducted on various topics related to gases. As a specific topic, the site covers an introduction to kinetic molecular theory.

Lipids are defined. Chemical structures are used to demonstrate that fats and oils store energy.

Learn how to calculate the kinetic energy of a gas molecule, describe the relationship between the temperature of a gas and the kinetic energy of atoms and molecule, and describe the distribution of speeds of molecules in a gas. The...

Explore the thermal behavior of gases, in particular, examine the characteristics of atoms and molecules that compose gases. Learn about the ideal law of gases in terms of molecules and moles. Multiple formulas and examples are provided.

Site describes process of photosynthesis, including role of pigment molecules, electron transport, ATP synthesis, and carbohydrate synthesis. Includes links to illustrative graphics.

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 diffusion along with topics such as concentration gradient and random...

This lesson plan covers chiral molecules, which are important in carbohydrate and protein chemistry. Understanding the difference in their structures helps with understanding the different biochemical properties of molecules with similar...

Discover what ozone molecules are made of and the important role ozone plays in the safety of humans. In this article, learn about scientists rating ozone levels and the harm linked with "bad" ozone levels.

With an overview of topics related to chemical energetics, this site provides a foundation to a study of thermodynamics and molecules as energy carriers and converters. Topics covered include how molecules take up thermal energy,...

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section seeks to answer the question, how far does a molecule travel between collisions?

Kids learn about the carbohydrates in the science of biology. These organic molecules make up starches and sugars which provide energy for plants and animals.

By the end of this section, you will be able to express the ideal gas law in terms of molecular mass and velocity; define thermal energy; calculate the kinetic energy of a gas molecule, given its temperature; describe the relationship...

By the end of this section, you will be able to state the ideal gas law in terms of molecules and in terms of moles; use the ideal gas law to calculate pressure change, temperature change, volume change, or the number of molecules or...

Pump gas molecules to a box and see what happens as the volume changes, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other....

Learn about gradients of molecules that exist across cell membranes, how they can help or hinder transport, and how active transport mechanisms allow molecules to move against their gradients.