To learn more about the nature
of materials, visit the following web sites:
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What are
atoms?
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All About Atoms,
Jefferson Lab
Follow this link for an introduction of atoms.
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What is
an element?
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Element,
Chem4kids.com
This resource provides an explanation of chemical elements as well as provides links to 18 easy-to-understand elements.
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What
are elements?,
National Grid for Learning
This online resource offers basic information on the size of atoms. It also provides an online glossary for terms that may be unknown to the reader. Visit the web pages that follow to extend your knowledge on atoms (i.e., "How can you tell the difference between atoms of different elements? What is atomic number?"). To access more (3.1) or less (1.1) advanced web sites on the subject, see the bottom of the page.
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What is a
solid?
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What
is the difference between a solid, a liquid and a gas?,
National Grid for Learning
Information offered at this location includes the basic characteristics of solids, liquids, and gases an online glossary. Pages such as "How do the particles of solids, liquids and gases behave differently?" (2.2) , "Why do some solids float and others sink?" (2.3) provide helpful information to follow up the concepts of solids, liquids, and gases. If you wish to access more (3.1) or less (1.1) advanced web sites see the bottom of the page.
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Solid Basics,
Chem4kids.com
Investigate the basic properties of solids (i.e., atomic arrangement,
freezing point, and crystal structure) by surfing this site. It also provides
illustrations to help you understand how solids hold their shape.
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To learn more about the properties
of matter, visit the following web sites:
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Density
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Density of Minerals,
Webmineral
Visit this online resource to access information on the instruments and formulas used to determine the density of minerals. This web page also serves as a mineralogy database that offers density information in two tables: metallic minerals and nonmetallic minerals.
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Electrical
Conductivity
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Water
on the Web: Understanding Electrical Conductivity,
Water on the Web
Visit this web site to learn about the science of electrical conductivity and its importance.
It provides an interactive glossary that makes learning the basics easier.
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Electrical
Conductivity: Measuring Salts in Water,
EPA
Discover the variables that affect electrical conductivity by clicking here. This site also offers the salt content in the water of major lakes around the US.
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What
causes different types of materials to conduct heat at different rates?,
Mad Science Network
The second paragraph of this discussion reveals the nature of electrical conductivity in
metals vs. nonmetals, such as salts, oxides, etc.
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Ductility
and Malleability
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|
Metals
and Non-metals,
BBC
A educational site on the physical and chemical properties of metals and non-metals.
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Magnetic Properties
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Magnetic Properties,
University of Surrey, Guildford
An overview of the magnetic nature of minerals and technical information on different types of magnetic minerals is presented at this site.
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Thermal Conductivity
|
|
Thermal
Conductivity Science,
Hukseflux Thermal Sensors
Learn the basics of measuring thermal conductivity by clicking measurement primarily focusing on soils and granular materials. It also offers a list of conductivity measurements for common household goods such as water, olive oil, cotton, cork, wood, and leather by the orders of magnitude.
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This project is supported, in part, by the National Science Foundation and the AGI Foundation. Opinions expressed are those of the authors and not necessarily those of the Foundation.
