For those of you who may have missed an EDge21 featured post or who didn't have the opportunity to look at some of them during this past week, here's a second chance.
Lightning Grader is a web application that allows educators to quickly and easily create and grade assessments and generate robust reports about student, class, and school performance.
Focused on key topics in US history, Historical Thinking Matters is a website designed to help students learn how to critically read primary sources and how to critique and construct historical narratives.
Teaching Kids News produces daily, timely, relevant kid-friendly news articles for kids, classroom educators, and parents. A new article, based on what is actually happening in the world, is offered every day (except holidays).
You can be a virtual chemist with goREACT, a free iOS app from the Museum of Science and Industry, Chicago.