Rainbow science anyone? learners put the color specturm, frequency, light waves, and wavelengths into a light speed context. They use algebraic formulas to determine the speed of each light wave length. A great way to connect math and...

In this simple machines worksheet, students read about the pyramids and the simple machines used to build them. They answer three critical thinking questions about the building of the pyramids.

In this scientific notation worksheet, students perform basic math functions and express their answers in scientific notation.

This in-depth resource presents a history of the American West from pre-Columbian times until World War I with profiles, documents, and images. It encourages visitors to link these into patterns of historical meaning for themselves....