Shmoop
ELA.CCSS.ELA-Literacy.RI.9-10.10
Make sure that your pupils have mastered complex literary nonfiction by the end of the year and use this resource to help get them to that point. After a brief description of the Common Core standard, a list of age-appropriate...
National Park Service
Subalpine Web
The theory of keystone species in an ecosystem was first established in 1969 by Robert T. Paine. Pupils open the final lesson in a five-part series with a game guessing which member of the alpine ecosystem they are based on clues. After...