Nancy Padak & Timothy Rasinski 
Getting to the Roots of Science Vocabulary Levels 6-8 [PDF ebook] 

Expand your students’ content-area vocabulary and improve their understanding with this roots-based approach! This standards-based resource, geared towards secondary grades, helps students comprehend informational text on grade-level topics in science using the most common Greek and Latin roots. Each lesson provides tips on how to introduce the selected roots and offers guided instruction to help easily implement the activities. Students will be able to apply their knowledge of roots associated with specific subject areas into their everyday vocabulary.