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Secondary source

history Maturity 11-13 Next article →

When we study the world, we use different kinds of sources.

Global thinking
Global thinking

A primary source is an original piece of information. It might be a person who saw an event. It could be a paper made at that time. These are the first-hand accounts of what happened.

A secondary source talks about those original things. It does not come from the event itself. Instead, it uses the primary source to tell a story.

People who make secondary sources do many things. They select facts. They might change how the facts look. They often group ideas together. They can even give an opinion.

In science, these are often called review articles. They sum up many studies. In math, they make hard ideas easier to read. In law, they can help explain rules.

Sometimes, a source can be both. A book might be a secondary source for an old event. But it could be a primary source for a new idea. It all depends on how you use it.

There is also a third type. These are tertiary sources. They give a broad view of a topic. Examples include dictionaries and encyclopedias.

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