High schoolers respond to 15 questions about short stories by Edgar Allan Poe and his works. Using the Cliffs Notes website they may also link to an online interactive quiz on the stories at the bottom of the page.

Cell phones are likely made of gold—at least part of them! An interesting lesson explains the conventional and not-so-conventional uses of the popular element gold. From the Inca empire to modern-day technology, learners discover gold...