Given the current threat posed by toxic digital content, preparing students to evaluate online sources cannot be relegated to a single subject area--this instruction should happen across the curriculum. This article focuses on materials designed to teach students to evaluate online information across subject areas. ninth-grade biology and world…

This article discusses the nature of critical thinking and ways to teach children to be critical thinkers. The need to model critical thinking is stressed and guidelines are presented for evaluating the credibility of a source (investigating clarity, expertise, objectivity, and accuracy record), and for evaluating the quality of evidence. (CR)