Comments for video Why Study Earth Science? http://www.watchknow.org/Feed.ashx?format=rss&feedname=videocomments&id=367 Comments posted to the WatchKnow video <b>Why Study Earth Science?</b>. Thu, 09 Sep 2010 14:24:15 GMT VideoComment338 Posted by v1mcgregor http://www.watchknow.org/Video.aspx?VideoID=367&CommentID=338#Comment338 Sun, 25 Apr 2010 13:59:01 GMT Excellent overview and current quality. Motivating and captivating. Good for 3rd grade through adults. Good for family to view together. Use as Intro in the classroom. Students could make their own videos once they study their unit.<br />