What On Earth Science Based Series (Set of 5-Books)

Book 1 of 5: Wood-The team finds wood all around them, and Nate investigates why some trees are missing from the forest Book 2 of 5: Water - Pipe breaks at Val's house, and the team discovers the many impacts water has on their life Book 3 of 5: Salt - The team learns what salt does for food and finds pink salt down in a mine Book 4 of 5: Glass - The friends learn how art and recycling are related, and Tess gets to try her hand at glass-blowing. Book 5 of 5: Sugar - The team follows Sam;s sweet tooth and discovers how a local sugar refinery treats our environment.