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The University of Arizona College of Science Biosphere 2

Personal Narrative (nonfiction) 1,448 words, Level W (Grade 4), Lexile 870L.
Biosphere 2 is a unique research station located in the Arizona desert. Constructed over five years, the self-contained building was originally designed to test survival theories for people living in outer space. The facility is now used for researching climate change and environmental studies. This book explores Biosphere 2's fascinating history, and can also be used to teach about author's purpose and compound sentences.

Book Resources


Printable and Projectable Book at Raz-Plus.com

Lesson Resources


Premade vocabulary lessons at VocabularyA-Z.com