Comments on: When Did the Grand Canyon Begin to Form? http://nsdl.library.cornell.edu/websites/expertvoices/connectingnews/archives/3157 The NSDL Middle School Portal 2 project is hosting this blog to encourage teachers to use current science news as teaching opportunities. The related middle level, grades 5-8 content standards of the National Science Education Standards are included as well as ideas for turning the news event into an inquiry-based lesson. Fri, 08 Mar 2013 18:00:59 +0000 http://wordpress.org/?v=2.3.3 By: Jim http://nsdl.library.cornell.edu/websites/expertvoices/connectingnews/archives/3157#comment-2899 Jim Tue, 24 Aug 2010 18:22:21 +0000 http://nsdl.library.cornell.edu/websites/expertvoices/connectingnews/archives/3157#comment-2899 Great information on travel, thanks for sharing. Great information on travel, thanks for sharing.

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