WWW, Part 2: The URL and Search Engines

Introduce search engines with an activity that models how search engines work and the different algorithms they employ. Working in groups, class members then build search queries to demonstrate the knowledge learned.

No need to search for how search engines work. By watching a video, learners see how search engines use web crawlers to produce a list of relevant websites and then use an inverted index to organize the list. They also see how knowledge...

Four-letter words aren't necessary a bad thing. The fifth video of an eight-part series about how the Internet works focuses on HTTP and HTML. It describes how computers call up websites from servers using Get and Post requests.

Why is the size of jet engines increasing? An entertaining video lesson describes the efficiency of jet engines. The narrator describes the poor design of an engine that is too small or too big and explains why it is more efficient to...

Explore the meaning of an engineering problem-solving process. By defining specific world problems, the narrator emphasizes the importance of engineering in our world. He outlines the engineering process and connects the information to a...

Which search engine is best? The last lab in a unit of five leads the class to investigate search engines. Working in groups, individuals read and discuss articles related to searching the Internet. Pupils develop suggestions that would...

Have you ever conducted a Web search and received too many hits? Teach your class about Boolean search terms and provide them time to practice conducting efficient online searches. This lesson plan contains several fun activities which...

Science, engineering, and technology have an impact on our natural world. As the world population increases, the demands on natural resources also increase. Science, technology, and engineering work together to address these concerns...

How does a computer perform a search in order to find data? The lesson begins with a demonstration on finding one number out of 15. Pairs then play three games of Battleship by using different search techniques. The lesson plan finishes...

Mueed Khan is the Engineering Manager at a manufacturing company. Khan discusses his occupational duties, the required training, as well as why he enjoys going to work.