Make up your mind -- thoughtfully. Guide students to use scientific ways of thinking to make everyday decisions. As students master the skills of decision-making, they will be able to define problems, identify viable options, research risks and benefits, reach decisions based on rational methods, and present the decision coherently and logically. This book offers full background material on decision-making, 10 guided activities with separate student and teacher pages, 14 extended learning exercises, and assessment rubrics to evaluate student work. Includes activities in life, physical, environmental, and Earth science disciplines.