Expand and improve scientific vocabulary by providing your students with an understanding of prefixes, suffixes, and root words. Teaching students to use prefixes, suffixes, and roots to break down large, unfamiliar words, gives them the tools they need to understand the meanings of unfamiliar words in science. Create an easy bulletin board or classroom display you can leave up all year long! This set of 50 prefix, suffix, and root word posters each features a word part, definition, and 2-3 ex