Man-made ones, which is not so much what the book was about but it did tell us a couple like buildings, cars, airplanes, and bridges. So all those things that are not in nature but those really ...

SECOND-GRADE STUDENTS at Flemingsburg Elementary School in Flemingsburg, Ky., are using technology to help them grasp basic concepts of the water cycle. This lesson also integrates various hands-on ...

Back in 2015, students in Maggie Samudio’s second-grade class at Cumberland Elementary School in West Lafayette, Ind., were contemplating an offbeat science question: If a firefly went to space ...