This document discusses measuring and classifying objects, and the five senses. It explains that measuring involves determining an object's length, width, height, or weight. It instructs students to measure their own height and weight. Classifying is defined as putting things into groups. The document then discusses each of the five senses - sight, hearing, smell, taste, and touch - and examples of how we use each sense. It emphasizes that our senses are important for keeping us safe and helping us learn.