Look up activity in
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Activity may mean:

• action, in general
• physical activity
• Activity, an alternative name for the game charades
• Activity, a task.
• Activity, the ability of a piece to influence the game in chess
• Activity, the rate of a catalytic reaction, such as enzyme activity, in physical chemistry and enzymology
• activity (chemistry), the effective concentration of a solute for the purposes of mass action
• activity (project management)
• activity (radioactivity), the number of radioactive decays per second
• activity (software engineering)
• activity (soil mechanics)
• activity diagram, a diagram representing activities in UML
• HMS Activity, an aircraft carrier of the Royal Navy
• Activity, a board game by Piatnik

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