Wonderopolis is a website developed by the National Center for Family Literacy to nurture children's natural curiosity and wonder. It provides high-quality informational texts on a wide range of topics to enhance reading, writing, science, social studies, and overall learning. Teachers can use Wonderopolis in the classroom to build background knowledge, develop vocabulary, determine importance in texts, and support writing and science lessons. It also helps cultivate wonder, inquiry and curiosity in students.