THIRTY years ago the science of chemistry passed through a great revolution; new points of view were occupied by some investigators, and fresh lines of inquiry opened up by others; a general revision ...

ABSTRACT dynamical theory, classical or quantum-mechanical, deals always in the first instance with comparatively simple systems such as planetary systems or atoms, finding even there complications ...

The content standards presented in this chapter outline what students should know, understand, and be able to do in natural science. The content standards are a complete set of outcomes for students; ...