1992 [Prentice Hall Science] Exploring Planet Earth -- Activity Book with Answer Keys (Paperback)(11"x8.25"x0.3") ***Contents: *Discovery Activities, *Chapter Activities *Problem-Solving Activities, *Cooperative-Learning Activities, *Laboratory Investigation Worksheets, & *Science Reading Skills Worksheets ***ISBN-13: 9780139872150 ***Condition: Like New/Good Used ***Pages: 175 @sci13.2*side;1g/sci13top5;1g>ph.sci ASKU#x072723v