The answer key to a page of questions about a children's reading on leeches, this resource is missing its companion text. However, the questions could be used with any age appropriate reading about leeches. Readers make predictions,...

Second graders read books and other resources to learn about bats. In this bats lesson plan, 2nd graders read books and research the internet about bats. Once students learn about bats, they will take an online bat quiz.

Young scholars study Charles Darwin's evolutionary theory and how he applied it to orchids.  In this evolution lesson plan students repeat Darwin's orchid pollination experiment.