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Knowledge and Skills Statement

Force, motion, and energy. The student knows that energy is everywhere and can be observed in cycles, patterns, and systems.
Glossary terms and definitions are consistent across kindergarten through high school in the TEKS Guide. The definitions are intended to give educators a common understanding of the terms regardless of what grade level they teach. Glossary definitions are not intended for use with students.

a phenomenon when light is captured by an object and converted to energy

interval of time during which a sequence of a recurring succession of events or phenomena is completed; a course or series of events or operations that recur regularly and usually lead back to the starting point

a measurable quantity that describes how much change can occur within a system

a phenomenon of energy that involves electric and magnetic fields; can be given off or absorbed by objects  

regular sequences that can be found throughout nature

a phenomenon that occurs when a wave is bounced off the boundary of a new medium and not absorbed

a phenomenon that occurs when a wave changes direction due to the change in speed when it enters a new medium at an angle; the wave still moves in a straight line, but the angle changes

a regularly interacting or interdependent group of items forming a unified whole