"AP physics"

The New York State Regents Examination in Physical Setting/Earth Science (Part D) consists of two components: a laboratory performance test and a written test. The performance test features three different stations of hands-on activities.

Designed for high school and elementary college courses, these rock and mineral specimens provide a complete range of materials for comparisons of igneous, sedimentary and metamorphic rocks.

Understand How a Water Treatment Plant Works.