Recreation refers to activities that people engage in for leisure and enjoyment. These activities are typically done during one's free time and are not associated with work or obligations. Recreation plays a crucial role in promoting physical and mental well-being, reducing stress, and fostering social connections.
The student demonstrates an understanding of the interactions between matter and energy and the effects of these interactions on systems by researching applications of nuclear reactions in which a small amount of matter is converted directly into a huge amount of energy (i.e., E=MC2). (L)