some titles please

[Helen Dittmer <hdittme@ix.netcom.com>]

Hi there, I'm writing again for some suggestions and advice.  I have an
encyclopedia set  that I was going to order for the 7th--8th grade
science classes, but then I wondered if they are age appropriate.  Can
you help me?  The set is THE NEW ENCYCLOPEDIA OF SCIENCE by Oxford
Press, (includes titles such as MATTER AND ENERGY, GENETICS AND
EVOLUTION, CHEMISTRY IN ACTION).  We desperately need books on chemistry
and physics, but are these too difficult?  If you have any suggestions ,
please write me.
Also, does anyone have some good titles on the Transcontinental Railroad
(4th grade), Native Californians (4th grade or there abouts), the Gold
Rush, Circuits, Batteries and Bulbs (4th--5th grade)or Science Fair
projects using electricity and circuits?  thank you in advance for any
help you can give, from Helen Dittmer, Redwood Day School librarian,
Oakland, CA <hdittme@ix.netcom.com>

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