This FREE packet includes all prefixes that will assist in a basic understanding of how scientific terms are formed. These prefixes are commonly used in Earth & Space keywords and will help the student not just memorize, but understand the keywords being used in your units. This back-to-basics free reference packet is a must have for your students! Download it now! 1. Includes prefix list with definitions for all Earth & Space bundles sold on this page (Atmospheric and Oceanic Circulations,