You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)
Desk lamp or other top illuminator
Newspapers or brown paper bags
Tape, masking or duct
The only real danger in this lab session is handling broken glass. Particularly when you are breaking glass, wear goggles to protect your eyes, and heavy gloves to prevent cuts.
Matching the density and the optical and chemical characteristics of glass or plastic specimens provides, at best, ...