To help students learn the appropriate text structures, text features, and language of informative/explanatory writing, teachers might begin with Talk-alouds. Below you will see two 2nd grade examples that focuses on the use of diagrams. These are a paired set of a Reading Talk-aloud and a Writing Talk-aloud.
functional group. n. An atom or group of atoms, such as a carboxyl group, in an organic compound that defines the structure of a family of compounds and determines the properties of the family. functional group. n.
subÂ·group (sÅ­bâ²groÍopâ²) n. 1. A distinct group within a group; a subdivision of a group. 2. A subordinate group. 3. Mathematics A group that is a subset of a group. tr.v. subÂ·grouped, subÂ·groupÂ·ing, subÂ·groups To divide into subgroups.