Some changes are physical; others make new substances.Melting changes a material’s state. A chemical reaction changes substances into other substances.Go deeper
Avoid the first shortcutDo not invent a citation that looks scholarly. Evidence quality is not determined by popularity or citation formatting.Practice & course
ResonanceListen(REZ-uh-nens)A quality that creates a strong connection or response; in physics, an enhanced response near a natural frequency.The story had personal resonance because it reminded her of home.Go deeper
CatalystListen(KAT-uh-list)Something that helps bring about change; in chemistry, a substance that increases reaction rate without being consumed overall.One honest conversation became the catalyst for a new direction.Go deeper
AutonomyListen(aw-TON-uh-mee)The ability or freedom to make your own decisions.The role offered autonomy over how she organized her work.Go deeper
