8_2_3
WHAT: Appreciate how search results are selected and ranked
WHAT: Appreciate how search results are selected and ranked
HOW:
HOW:
Activity 1
- Think of 5 obscure questions (questions that people wouldn't normally know the answer to)
- Get a partner to do the same and swap (skip this step if you don't have a partner)
- Find the answers to the obscure questions
The challenge is to not use Wikipedia for your answer
Activity 2
Now answer the following questions:
- What is a Web Browser and which one did you use for your searches?
- What is a Search Engine and which one did you use?
- How do Web crawlers work?
- What is Indexing?
- What Keywords did you use for your search?
- How many Search Results were there?
- What is a Ranking Algorithm?
- What is a Ranking Factor?
Activity 3
- Search for “Theme Park” on 2 different search engines.
- What are the top 5 websites from each search engine?
- Are they different? If so, why do you think this might happen?
Activity 4
Watch the video below:
Activity 5
Re-visit your answers from Activity 2 and check that you have answered them correctly.
CHECK:
CHECK:
EMBED:
EMBED:
Evaluate two different search engines, judging them on their effectiveness when searches are carried out.
CLASSROOM IDEAS:
CLASSROOM IDEAS:
Play a search term version of charades with the class.
Students must come up with keywords to use for a search that aren't the ones on the card.
E.g. Alton Towers
Students must find the alton towers website without using the words Alton or Towers