However, each school is uniquely organized. Substances often are placed in categories if they react in similar ways. The periodic table of elements illustrates known building blocks of matter. Motions and Forces Motion of an object can be measured and represented on a graph. The sun's energy arrives as infrared, ultraviolet, and visible light.
Visible light is a narrow range of wavelengths in the electromagnetic spectrum.
In chemical reactions, total mass is conserved. These grade level performance standards are listed developmentally. However, each school is uniquely organized. Compounds can form when chemical reactions occur. All types of matter are a result of changes in the arrangement, motion, and combination of atoms.