Scanning and skimming are two different reading techniques used to quickly gather information from a text.
Scanning : Scanning is a technique used to find specific information quickly. When you scan, you move your eyes rapidly over the text to locate particular details such as names, dates, numbers, or specific terms.Scanning involves quickly looking through text to find specific information, like finding a phone number in a directory.
Skimming: Skimming is a technique used to get a general overview of the content.Skimming involves quickly reading headlines, subheadings, and key sentences to get a general idea of a news article or textbook chapter.