"Doing Inquiry" can be easy, and does not always have to involve huge projects. Embedding small protocols and activities that introduce the various components and stages of inquiry help scaffold towards the larger projects that empower students and enrich traditional curriculum. I've learned that inquiry should not be a "special activity" but a frequent, even daily, classroom routine. Here are some strategies I have found success with.
Projects
AP World: Map Project & Unit 2 Plan
An overview of my unit two plan for AP World. It is structured around a trade route map project with multiple opportunities for content acquisition and skill practice. At the end of the unit students write their first complete DBQ essay.