Chemical cycles in the biosphere  [videorecording] / 
Hawkhill Associates Inc. ; writer and director, Bill Stonebarger 
 - Wisconsin :  Hawkhill Associates Inc.,  [2004] 
 - 1 videodisc (DVD) (27 min.) :  sd., col. ;  12 cm. 
 - Keys to scientific literacy .
<br/><br/> Title from title screen 
<br/><br/>Videographers, Jane Denny, Michael Stonebarger ; graphics, Lin Haley, Doug Normington, Michael Stonebarger ; editors, Jane Denny, Bill Stonebarger ; music, Michael Stonebarger  Videographers, Jane Denny, Michael Stonebarger ; graphics, Lin Haley, Doug Normington, Michael Stonebarger ; editors, Jane Denny, Bill Stonebarger ; music, Michael Stonebarger 
<br/><br/> Helps students develop a basic understanding of the cycling of chemicals in the earth's biosphere. Shows the good and bad effects chemicals have on our world, as well as the processes through which they produce the effects. Also includes guided questions and mastering quiz 
<br/><br/><label>ISBN: </label> RM335.34 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biochemistry<br/>Chemicals--Physiological effect<br/>Biosphere<br/>Pollution--Environmental aspects<br/>Chemical processes