CUES - Constructing Understandings of Earth Systems


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2.2 Matter Within Systems: Investigating Density

To explore several properties of matter (mass, volume, and density) in an experiment and begin to formalize ideas about the flow of matter in a system.

The States of Matter Charter College of Education, California State University, Los Angeles.
Gain an understanding of the states of matter.

All About Atoms Jefferson Lab, Southeastern Universities Research Association, U.S. Department of Energy
	Read a brief introduction to atoms.

Chemical Model Animation of O3 Losing an Oxygen Atom to a Radical NASA/Goddard Space Flight Center Scientific Visualization Studio
View an animation of O3 losing an oxygen atom to a radical

These shockwave and java animations show how:

Gases fill and conform to the shape of the container
Liquids do not fill, but conform to the shape of the container
Solids retain there shape, neither filling nor conforming to the container shape

Chapter One
Nature of Science

Chapter Two
Large-Scale Forces that Change the Geosphere

2.1
Evidence, Models, and Explanation

2.2
Matter Within Systems

2.3
Using Models

2.4
Natural Hazards and Risks

2.5
Earthquakes and Volcanoes

2.6
Continental Drift

2.7
Mantle Convecton and Plate Tectonics

2.8
Mountain-
Building

Chapter Three
Surface Process that Change the Geosphere

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This project is supported, in part, by the National Science Foundation (grant no ESI-0095938). Any opinion, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.