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What's in a Rock?(Brief Article)

Science Matters: Rain Forest, Moon, Rocks, and Machines, a Weekly Reader publication

| January 01, 1993 | COPYRIGHT 1993 Weekly Reader Corp. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

All rocks are combinations of two or more minerals. A mineral is a solid substance found in nature. Granite, for example, is a combination of the minerals quartz, mica, and feldspar.

The combination of minerals affects the weight of the rocks.

RELATED ARTICLE: Clay Cookies!

[eyes to observe] what to observe

How can the different weights of ingredients in a clay cookie demonstrate different weights of minerals in rocks?

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Source: HighBeam Research, What's in a Rock?(Brief Article)

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