Weather affects everyone, everyday! Introduce Isobars, Jet Streams, Wind Chills and more with this super-sized 44" W x 20" H weather map of the U.S. and Canada. Chart temperatures and cities using bar and line graphs. Write-on/ wipe off board with grommets for easy display, conveniently folds flat. Teacher's guide with weather terms, activities, vinyl cling weather symbols and student recording charts included. Grades 3-8.