Could window panes be made out of wood? Or a shirt out of glass? Go on a treasure hunt with Ms. Sampson's class as they search for different kinds of materials-cloth, rock, glass, metal, and more. They'll record the look and feel of everyday objects and learn what properties each type of material has.

Martha E. H. Rustad is the author of more than two hundred nonfiction children's books, on topics ranging from snowflakes to termites to the Statue of Liberty. She lives with her family in Brainerd, Minnesota.