Activity
It's About Time

Metals and Nonmetals

For Teachers 7th - 12th Standards
Did you know you can melt the metal gallium with just the heat of your hand? Pupils observe and test materials in order to classify them as metal or non-metal. A reading passage and analysis questions wrap up the lesson. 
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Clackamas Community College

Clackamas Community College: Chemical Bonding: Metals and Nonmetals

For Students 9th - 10th
A chart of the periodic table of elements, including showing the nonmetal group.
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Environmental Chemistry

Chemistry and Environmental Dictionary: Nonmetal

For Students 9th - 10th
Environmental Chemistry offers a very concise definition of a non-metal.
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Web Elements

Web Elements Periodic Table: Silicon

For Students 9th - 10th
Excellent site with a great deal of helpful information on silicon.
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Other

Especial Gas Inc.: Sulfur Properties and Compounds

For Students 9th - 10th
This page from Especial Gas Inc. contains some very interesting information about the element sulfur, and some of its common compounds. The history and relative abudance of the element is discussed, as well as where it can be found. The...
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Other

Laws of Physics: Atoms and the Periodic Table

For Students 9th - 10th
An overview of the differences between the metal and non metal groups. Includes a lot of information on the periodic table and has a plethora of graphs.
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Chemicool

Chemicool.com: Silicon

For Students 9th - 10th
This site from Chemicool.com provides a very through set of tables summarizing many physical and chemical properties of silicon.
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Amethyst Galleries

Amethyst Galleries: Mineral Gallery: Minerals by Class

For Students 9th - 10th
This is a detailed reference list of minerals and mineral classes.
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Science4Fun

Science4 Fun: Sulfur

For Students K - 1st
Fun and interesting information about Sulfur, the 8th most abundant element in our bodies. Learn about its characteristics, uses, where it is found, and discovery.

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