Provide enough wait-time for students to reflect when responding to inquiries. Provide emotionally supportive environments in the classroom encouraging reevaluation of conclusions. Prompt reviews of the learning situation, what is known, what is not yet known, and what has been learned.
Polyurethane is a fully reacted polymer in which every molecule bonds with another so it is chemically inert, which keeps it from oxidizing or leaching chemicals, theoretically extending tire life. Tires of the future?
n. 1  A synthetic fiber or fabric made from a polymer containing polyurethane, used in the manufacture of elastic clothing. 2  Of or relating to spandex or its elastic qualities. 3  a fabric made of or containing a polyurethane fiber with elastic properties.  A synthetic fabric made from polyurethane, used in making stretch clothing.