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Mrs. Geiss



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Science/Grade 8

 

Any questions or concerns please contact me at 
scsgr46@hotmail.com

Dear Parents,
     I am out of school due to a stomach virus, I will not be able to attend 
the conferences tonight.  I sincerely apologize for any inconvenience this 
may cause you.  As soon as I return I will make arrangements to meet with you 
at your earliest convenience.  Thank you for your understanding in this 
matter.

Sincerely,
Mrs. Barbara Geiss

Week of November 9,2009

Check Saturday for updated photos, you look wonderful in your goggles.

Study for your Chpt.3/Section 1 Quiz on Wednesday.

I was not able to save the guide under handouts due to formatting issues. 
Here it is.... drum roll please........

Study: Guide Chapter 3/Section 1
Properties of Minerals

A mineral is a …..
NATURALLY OCCURING- a substance that is formed by processess of the natural 
world
INORGANIC- this means the mineral can not come from materials that were once 
part of a living thing
SOLID –a definite volume and shape
CRYSTAL STRUCTURE- a repeating pattern of mineral’s particles form a crystal
DEFINITE CHEMICAL COMPOSITION- this means that a mineral always contains 
certain elements in definite proportions


Each Mineral has characteristic properties that can be used to identify it..
COLOR
STREAK- the color of a minerals powder
LUSTER- the term used to describe  how light is reflected form a mineral’s 
surface
DENSITY-  density is the mass in a given space
HARDNESS- Moh’s Hardness Scale
CLEAVAGE- a mineral that splits easily along flat surfaces
FRACTURE- describes how a mineral looks when it breaks apart in an irregular 
way

For a Unit Self-Assessment Visit PHSchool.com
                                                      Code: cja-1030
You can take an online practice test that is automatically scored at the site 
listed above.

QUIZ on WEDNESDAY


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