Download or read book Frontiers - Geology, Astronomy, and Environment written by Brenda McGee and published by PRUFROCK PRESS INC.. This book was released on 2007-07 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frontiers Book 3: Geology, Astronomy, and Ecology is the last book in the Differentiated Curriculum Kit for Grade 6. Students will investigate questions such as "What is the rock cycle?" "What is plate tectonics theory?" and "Who was Alfred Wegener?" In this book, students will discover the frontiers of today, but not before they learn to ap