Grade 5 · Reading · Lesson 21

Evaluate source reliability

A SOURCE is any place a fact comes from — a book, an article, a website, a video, a podcast. Some sources are RELIABLE (their facts can be trusted) and some are QUESTIONABLE (their facts may be wrong, biased, or made up). A strong reader does not believe everything on a screen. They run a quick check on every source before they use it.

What this lesson teaches

1Define source reliability and explain why it matters
2Apply a five-point check (author, date, domain, citations, bias) to any source
3Compare the domain endings .gov, .edu, .org, and .com to judge trust
4Rate sources as trustworthy or questionable using clear evidence

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