Young scholars define the slope of the line, find the slope between any two points on the line, and allow them to name other areas where the slope is used. They explain why the slope is defined as the rise over the run.

Third graders investigate the architecture of Ancient Rome, The Pont du Gard, an aqueduct in Nimes, France; The Pantheon and Trajan's Column in Rome; and various triumphal arches throughout the land that was once the Roman Empire are the...

Students build ocean floor structures, then map and model an unfamiliar ocean floor. They are introduced to bathymetry and sea floor features, and discover one of the most widely usd methods for studying the ocean.

In this Origami crane worksheet, students create an Origami crane from detailed instructions. This crane is an important symbol in the Buddhist religion.

Students compare a realistic landscape painting with a photograph of the same place.