Search engines and keywords — Computing, 7–10
Learn how a search engine helps you find useful pages, and why the words you choose change the results.
What a search engine does
A search engine is like a huge, organised index of pages on the web. When you type words, it looks for pages connected with those words and puts likely helpful ones near the top. It does not understand every question perfectly, so clear words matter.
Why keywords help
The web has far too many pages for someone to check them one by one. Search engines were made to solve that problem by matching a short request with a stored catalogue of pages. More exact words reduce the number of unrelated results you must sift through.
A better search
Suppose you want to know what pandas eat. First, “pandas” gives millions of mixed results. Add “food” and the search becomes narrower. Then try “giant panda diet for children”: those extra words point towards an explanation at the right level.
The first result is not always best
It is tempting to trust the first link because the search engine placed it there. But the order can depend on many signals, not just truth or quality. Open more than one result, check who made the page, and see whether the claim agrees with a reliable source.
Searching beyond homework
You use search when choosing a recipe, learning a bus route, comparing animal facts, or finding instructions for a game. The same skill helps each time: describe what you need, add useful details, and check the answer before acting on it.
Keep exploring
Other languages
Loading MyLeoNes™…