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1.

What Is Matter? [electronic resource]: Properties and Classification of Matter

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Participants build a working definition of matter, distinguish among the different forms it can take, investigate the difference between essential and accidental properties of matter, and look at the role of classification in science.
Online
2004
2.

Physical Changes and Conservation of Matter [electronic resource]

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In everyday life, observations that things disappear or appear seem to contradict one of the fundamental laws of nature: matter can be neither created nor destroyed. In this session, participants learn how the principles of the particle model are consistent with conservation of matter.
Online
2004
3.

The Particle Nature of Matter [electronic resource]: Solids, Liquids and Gases

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Participants learn how the particle model can be turned into a powerful tool for generating predictions about the behavior of matter under a wide range of conditions. This essential idea that links chemistry and physics, is given microscopic examination that reveals solids, liquids and gases are composed of tiny, discrete and constantly moving particles.
Online
2004
4.

Chemical Changes and Conservation of Matter [electronic resource]

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How can the particle model account for what happens when two clear liquids are mixed together and produce a milky-white solid? What happens when iron rusts? Where do the elements come from? In this session, participants extend the particle model by looking inside the particles, learn about some early chemical pioneers, and in the process discover how the law of conservation of matter applies even at the scale of atoms and molecules.
Online
2004
5.

Rising and Sinking [electronic resource]

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Participants generalize the model that has been developed about what rises and what sinks, using the idea of balance of forces.
Online
2004
6.

Heat and Temperature [electronic resource]

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Participants focus on the difference between heat and temperature, and examine how both are defined in terms of particles. The particle model is then used to explain a number of everyday phenomena, from why things expand when they are heated to the role that temperature plays in changes of state.
Online
2004
7.

Density and Pressure [electronic resource]

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Participants examine density, an essential property of matter. They also look at how particles of matter are in constant motion, which leads to a deeper understanding of fluid pressure. Lastly, the concepts of pressure and density are investigated to explain the macroscopic phenomenon of rising and sinking.
Online
2004
8.

Extending the Particle Model of Matter [electronic resource]

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Participants extend their understanding of the particle model to explain additional macroscopic phenomena, including the electrical properties of matter. Participants review the progression of ideas covered in the course and anticipate future developments in the understanding of matter.
Online
2004