ReadWorks is a nonprofit service that has cataloged hundreds of lesson plans and more than one thousand non-fiction reading passages aligned to Common Core standards. Recently, ReadWorks added a new batch of science passages with accompanying question sets to use in elementary and middle school.
With a free ReadWorks account you can search for lessons and reading passages by grade and skill. In your account you can create digital binders of the lesson plans and reading passages that you want to use. Learn more about ReadWorks in the video below.