SciLinks is a free web service developed and maintained by the National Science Teachers Association that links you to online educational resources directly related to the chapter topics in your science textbook. 

The SciLinks staff is made up of science educators and content experts.  They identify, review and monitor featured sites.  This assures you that they contain appropriate and up-to-date information.  SciLinks will replace an expired site with another using the same keyword.

HOW TO USE SCILINKS

STEP 1.  Click here to go to www.scilinks.org.

STEP 2.  Enter the SciLinks code found in your textbook.  Then
                click 'search'.

STEP 3.  Scroll down until you see the title you want, then
                click on it.

STEP 4.  Have fun while you learn.  Remember, you can get extra
                credit for the work you do here.  See me for more info.