Subject: Pencil lead
Date: Thu Aug 29 09:12:47 1996
Posted by: Connie Field
Grade level: 4-6
School/Organization: Grant's Lick Elementary
City: Alexandria State/Province: KY
Area of science: Chemistry
Message ID: 841327967.Ch
Does pencil lead come from granite? If not, where does it
come from and how does it work?
Re: Pencil lead
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