These rocks are HOT! Well, they used to be, anyway. Take young geologists on a two-week journey through the life and times of the average igneous rock. Lab groups work together to hypothesize about intrusive and extrusive igneous...

Looking for an interesting text to share the world of microbes with your middle school classroom? The edition contains explanations, worksheets, experiments, discussions, and links to outside sources for a true and complete...

For classes tackling To Kill a Mockingbird, this lesson plan sets readers up for discussions or essay writing with questions and prompts. The prompts encourage individuals to explore beyond the novel itself, looking at...

Go back to where it all began! Investigate how axiomatic systems and Euclidean geometry are based on undefined terms, common notions, postulates, and propositions by examining passages from Euclid's Elements. (Social studies teachers...

This Holt Literature guide in .pdf format, offers some background on the novel, a chapter-by-chapter summary, and some post-reading suggestions.