Links for Content Relating to Classification (7th) and Matter (8th)

7th Grade Classification Links

http://tolweb.org/tree/phylogeny.html

http://www.its.caltech.edu/~atomic/snowcrystals/class/class.htm

http://library.thinkquest.org/C004535/eukaryote_examples.html

http://www.pmbio.icbm.de/mikrobiologischer-garten/eng/index.php3

8th Grade Matter Links

http://www.chem.purdue.edu/gchelp/atoms/states.html

http://www.exploratorium.edu/ronh/weight/index.html

http://www.buzzle.com/articles/difference-between-mass-and-weight.html