The phrase "activity ended" is correct and usable in written English.
It can be used to indicate that a particular activity has been completed or is no longer ongoing.
Example: "The activity ended at 5 PM, and participants were encouraged to provide feedback."
Alternatives: "activity concluded" or "activity finished".
I caught and released a 12-pounder, raised two more fish and pricked a third before the activity ended.
Swedish prosecutors say that the country's statute of limitations prevented them from pursuing money laundering charges against Swedbank since the suspected activity ended in 2014.
This belated flurry of activity ended in September 1945 when, just 17 bars short of completing his Third Piano Concerto, an ambulance came to transport him the two blocks to the West Side Hospital, where he died.
The volcano is currently well into another of these rather ominous quiet periods, following years of activity ended by an eruption that contributed in 1944 to the general mayhem of wartime Italy.
Activity ended so abruptly that a nuclear device lowered into one tunnel in preparation for a test sat unexploded until 1995, when technicians managed to destroy it without creating a nuclear reaction, according to the National Nuclear Center.
Clinton was one of the largest sawmill centres in the country in the second half of the 19th century, but this activity ended as the lumber supply from the north diminished.
When the activity ends, the pain and burning feeling typically ends shortly after.
Every worthwhile Madrid activity ends with a meal or drinks, or both.
Time series for individual nuclei are aligned such that PP7 activity ends at 0 min (red dashed lines).
When physical activity ends abruptly, the heart and muscles both slow down their rates while blood vessels may remain dilated.
Thompson asks participants to turn to their partner(s) and say "thank you" after each activity ends and before forming new groups.
