Improve students' critical-thinking skills in grades K-12 using high-interest science content. This classroom resource provides leveled text-dependent questions to support students as they closely examine science texts and provide evidence for their answers. Teachers can differentiate and scaffold instruction with the useful strategies that are aligned with standards and build students' scientific-thinking and comprehension skills. Each of the 120 text-dependent questions is provided at four different complexity levels that correlate to grades K-1, 2-4, 5-8, and 9-12. This invaluable resource makes a great addition to any balanced literacy classroom.