These grade level performance standards are listed developmentally. However, each school is uniquely organized. Atoms are made up of many parts. Motions and Forces Motion of an object can be described by its position, direction, and speed. The force of friction may slow down or stop an object's motion.
Simple machines have many applications.
Light interacts with matter by transmission, absorption, or scattering. Transfer of Energy Energy cannot be created or destroyed but it can be transformed. These grade level performance standards are listed developmentally. However, each school is uniquely organized. Substances often are placed in categories if they react in similar ways.