Grades K & up. Weather affects everyone, everyday! Introduce Isobars, Jet Streams, Wind Chills and more with this super-sized 44"W x 28"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.