With Science being a strong focus in our educational system today, it is vital that students have a good understand of the vocabulary. More than 70 percent of English and 95 percent of upper level vocabulary comes from Latin and Greek word origins. How powerful to understand the meaning of the roots, unlocking the meaning to many words. This 60 page non-consumable book includes 1) a brief introduction of root words, prefixes and suffixes; 2) an alphabetical listing of root words with definitions, origins, and example science vocabulary words with definitions; 3) 21 weekly lessons; 4) Root word glossaries; 5) Games; 6) Assessments; and 7) a sample weekly lesson. Appropriate for upper elementary and middle school/junior high.