Effective Search Strategies

Active learning works because search strategies are skills pupils must practice, not facts they can absorb passively. When students actively refine queries in pairs or evaluate sources in groups, they experience firsthand how search engines interpret language and prioritise information.

• Year 3
• Computing
• 4 activities
• 20 min–35 min

Learning Objectives

1. Classify search results based on the relevance of keywords used in the query.
2. Evaluate the effectiveness of different search terms, including exact phrases, for retrieving specific information.
3. Analyze how a search engine might prioritize results based on factors like popularity and recency.
4. Differentiate between reliable and unreliable online sources by examining publication details and author information.

Problem-Based Learning

⏱ 25 min·Pairs

Pairs Challenge: Query Refinement

Pairs start with a broad topic like 'animals'. One pupil searches first, then both refine using keywords or quotes, noting result changes. They discuss which query works best and why. Share top findings with the class.

Prepare & details

Analyze how a search engine prioritizes results for a given query.

Facilitation Tip: During the Pairs Challenge, circulate and listen for pairs explaining why their refined query is better, prompting them to justify their word choices.

Setup: Groups at tables with access to research materials

Materials: Problem scenario document, KWL chart or inquiry framework, Resource library, Solution presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Problem-Based Learning

⏱ 35 min·Small Groups

Small Groups: Reliability Hunt

Assign a research question per group, such as 'famous UK landmarks'. Groups search, list three sources, and rate reliability using a checklist for date, author, and images. Present ratings and vote on best source.

Prepare & details

Evaluate the trade-offs of using short versus long search terms.

Facilitation Tip: In the Reliability Hunt, assign each group one website feature to investigate, so all aspects of trustworthiness are covered across the class.

Setup: Groups at tables with access to research materials

Materials: Problem scenario document, KWL chart or inquiry framework, Resource library, Solution presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Problem-Based Learning

⏱ 20 min·Whole Class

Whole Class: Live Search Demo

Project a search engine. Class brainstorms a query together, like 'Year 3 computing games'. Enter it, analyse top results as a group, then vote on refinements and re-search to compare improvements.

Prepare & details

Differentiate between reliable and unreliable information sources found online.

Facilitation Tip: During the Live Search Demo, pause after each search to ask pupils to predict what the next result will look like and why.

Setup: Groups at tables with access to research materials

Materials: Problem scenario document, KWL chart or inquiry framework, Resource library, Solution presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Problem-Based Learning

⏱ 30 min·Individual

Individual: Search Journal

Pupils choose a personal interest, log initial search, results, and two refinements with screenshots or notes. Reflect on what made searches better. Share one success in plenary.

Prepare & details

Analyze how a search engine prioritizes results for a given query.

Facilitation Tip: Have pupils annotate their Search Journals with the date and time of searches to connect recency to result differences.

Setup: Groups at tables with access to research materials

Materials: Problem scenario document, KWL chart or inquiry framework, Resource library, Solution presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management
• Relationship Skills

Teaching This Topic

Teachers should model imprecise versus precise queries aloud, thinking through the process together. Avoid over-explaining algorithms; instead, let pupils discover patterns through guided trials. Research shows hands-on practice with immediate feedback builds stronger understanding than lectures on how search engines work.

What to Expect

By the end of these activities, pupils will confidently choose precise keywords, use operators to refine searches, and begin assessing result reliability. They will articulate why vague queries fail and how algorithms shape what they see online.

Watch Out for These Misconceptions

Common Misconception

During Pairs Challenge, watch for pupils who assume any match means a good result.

What to Teach Instead

Have pairs swap their refined queries with another pair and test them, then compare which query returned more relevant results and why.

Common Misconception

During Reliability Hunt, watch for pupils who equate visual appeal with accuracy.

What to Teach Instead

Direct groups to rate websites based on specific criteria, such as presence of author names or publication dates, and present counterexamples like a well-designed but outdated page.

Common Misconception

During Live Search Demo, watch for pupils who think the first result is always correct.

What to Teach Instead

Run a quick search for a topic with conflicting information, like 'Is Pluto a planet?' and have pupils identify which results support each side before discussing bias.

Assessment Ideas

Quick Check

After Pairs Challenge, give pupils a new research question and ask them to write one improved query and explain why it is better than a vague version.

Exit Ticket

After Reliability Hunt, distribute cards with website addresses and ask pupils to write one sentence explaining whether the site is reliable or not, using evidence from their hunt.

Discussion Prompt

During Live Search Demo, ask pupils to share three words they would add to the query 'dogs' to find information about 'golden retriever puppies' and explain how each word narrows the results.

Extensions & Scaffolding

• Challenge: Ask early finishers to create a step-by-step guide for refining searches on a new topic, using screenshots and captions.
• Scaffolding: Provide a word bank of operators and phrases for students who struggle to start, and model combining them in a sentence.
• Deeper exploration: Invite pupils to compare two search engines using the same query, noting differences in results and discussing possible reasons.

Key Vocabulary

Search Engine	A computer program that searches for information on the internet. It works by scanning web pages and storing information about them.
Index	A list or database created by a search engine that contains information about web pages. This helps the search engine find pages quickly.
Query	The word or phrase you type into a search engine to find information. Refining your query means making it more specific.
Algorithm	A set of rules or instructions that a computer follows to solve a problem or complete a task. Search engines use algorithms to decide which results to show first.
Source Credibility	The trustworthiness and reliability of information found online. This involves checking who wrote it, when it was published, and if it is accurate.