This teacher's guide is part of the Truth in Science Grade 5 curriculum. A step-by-step, semi-scripted lesson is provided as the central focus; guided inquiry questions are given along with the answers, necessary teacher resources noted, and assignments listed. A teacher commentary is provided in the margins with in-depth notes on the lesson. Planning guides with lesson objectives, materials needed, and activity instructions are given as well. 444 pages, softcover, spiral-bound.