Describes the importance of estimation in science for planning projects, conducting experiments, and developing theories. Defines order of magnitude. Provides explicit mathematical equations and calculations to estimate answers for seven provocative physics problems. Includes nine additional open-ended problems with hints and solutions. (PR)

Designed for a minimum amount of teacher supervision, this guide consists of introductory practice and evaluative activities for teaching secondary school students about critical judgment. A sample grade ladder and calendar help students self-schedule and keep track of their grade and points. The activity unit is preceded by a teacher rationale,…

Through a variety of learning strategies, this curriculum guide provides an age-appropriate Acquired Immune Deficiency Syndrome (AIDS) education for students grades 5-8. An introduction incorporates curriculum objectives, classroom environment, teacher responsibilities, time, instructional strategies, parental involvement and support, and…

Two computer programs were developed to enhance community college students' critical thinking skills in the areas of "Comparison and Contrast" and "Analysis." Instructors have several options in using the programs. With access to an LCD panel and an overhead projector, instructors can use the programs in the classroom, manipulating the computer…

This guide presents writing-focused learning projects and accompanying inquiry activities to help students pass the language arts/writing portion of the General Education Development(GED) Test 2002. The Introduction relates GED as project to the writing portion of the GED and explains how inquiry activities used Official GED Reading Practice Test…