: As a result , consequently , therefore , thus , so . Cause and Effect Using Informational Text
: In complex systems like weather or economics, a tiny initial cause (the metaphorical flap of a butterfly's wings) can lead to vastly different outcomes over time. Why We Seek "The Why" causes
: Because of , since , on account of , due to , the reason for . : As a result , consequently , therefore , thus , so
: A necessary cause must be present for an effect to occur (you need oxygen for fire), while a sufficient cause is enough on its own to produce the effect (a lightning strike is enough to start a forest fire). : A necessary cause must be present for
: A proximate cause is the immediate trigger—for example, a match lighting a fire. The ultimate cause is the deeper reason—why the oxygen, fuel, and heat were all in that place at that time.
: Reflecting on the causes of our own behaviors helps us make better choices in the future. Common "Signal Words" for Cause and Effect