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,…

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…

This workbook, intended for self-guided instruction or classroom use, teaches students how to navigate the Internet with a critical mind. It offers tips on web searching, looking for reputable sources, identifying bias, manipulative reasoning, propaganda, irrelevant and misleading information, checking for accuracy and timeliness of information,…