Cover title.
Scoring guide and teacher's guide are 2nd ed.
Content Note
Joe's junk /Susan Russo -- Meet a model scientist / adapted from Owl magazine -- Islands / Anne Smythe -- Tell me about it / Don Hahn -- Trial of the stone / Ricardo Keens-Douglas -- Cybersurfer / Nyla Ahmad -- Camel dances / Arnold Lobel -- Growing up / Sue Hendrickson -- Fossils, big and small / Sue Hendrickson -- Day Gogo went to vote / Elinor Batezat Sisulu.