Some Iowa kids will answer “plastics” the next time their parents ask “Whatdid you learn about at school today?” A rolling plastics museum visitsseveral schools in the state this week, teaching elementary through highschool students about plastics through hands-on experiments.Rob Krebs, spokesman for the Washington D-C-based American Plastics Council,says the “PlastiVan” is visiting Des Moines today after a stop in CedarRapids on Monday. Krebs says nearly 18-thousand Iowans work in the plasticsindustry in two-hundred-nine facilities statewide.Krebs says those Iowa plastics facilities make all sorts of productsincluding bottles, toys, packaging and even lumber from recycled plastic.Today is Iowa Plastics Industry Day. Governor Vilsack will deliver thekeynote address to open a conference in Des Moines. Executives from Deere,Hon and Maytag will discuss the role plastics will play in the future of theappliance, agricultural and office furniture industries.