Saying please and thank you shows kindness and respect. A fourth grader at La Mariposa Montessori School in Santa Fe noticed people weren't saying it enough and based her science project on it.

Put away the Popsicle sticks, glue and sugar cubes. The fourth-grade mission project, a rite of passage for elementary students for decades, may be on its way out.

For decades, California fourth-graders marked a familiar ritual, collecting Popsicle sticks, cardboard and craft store items to build scale models of the state’s historic missions.In San Dieg… ...

A Florida fourth grader's science project involved nearly an ounce of cocaine, three drug-sniffing dogs and the cooperation of police.