Maryland College and Career-Ready Standards
MD.1.0. Skills and Processes: Students will demonstrate the thinking and acting inherent in the practice of science.
1.C.1. Communicating Scientific Information: Ask, 'How do you know?' in appropriate situations and attempt reasonable answers when others ask them the same question.
1.C.1.b. Describe and compare things in terms of number, shape, texture, size, weight, color, and motion.