Wonderopolis

Wonderopolis is a great site, created and maintained by the National Center for Family Literacy, that includes thousand of different articles that can be used for inquiry based learning. Not only does it allow them to learn interesting new things, but it also helps them improve their reading. Each article has a list of "Wonder Words" vocabulary that comes with a word game where you can match the words to the definitions. There's also a "Try It Out" section on the articles with great activities to expand on their learning from the article. Wonderopolis also has a great teacher resource called "Wonder Ground" where teachers can find lesson plans, classroom resources and a search tool that allows articles to be founds based on Common Core State Standards. Wonderopolis is also free, so everyone can enjoy their resources.