Here are the FREE resources from the National Science Teachers Association for April 2011- enjoy! I highly recommend teachers of all grade levels reading the From Misconceptions to Conceptual Change article from The Science Teachers. This article provides a good overview of science misconceptions and strategies to consider in changing student ideas.
And remember, you do not need to be a member to access these resources.
Science and Children (elementary): Free – Living or Nonliving?
Science Scope (middle school):
The Science Teacher (high school): Free – From Misconceptions to Conceptual Change
Free – Health Wise: April/May 2011