Identifying a Design Problem

Active learning helps students grasp design problems by grounding abstract concepts in tangible experiences. When students observe real issues in their schoolyard or manipulate examples during sorting tasks, they connect classroom ideas to their own lives. This direct engagement builds both analytical skills and motivation to solve problems that matter to them.

• 3rd Year
• Exploring Our World: Scientific Inquiry and Discovery
• 4 activities
• 25 min–45 min

Learning Objectives

1. Analyze a local environmental issue, such as litter or water pollution, to identify its root cause.
2. Differentiate between the symptoms of an environmental problem (e.g., dead fish) and its underlying cause (e.g., industrial discharge).
3. Justify the importance of solving a specific environmental problem by explaining its impact on local ecosystems and human communities.
4. Propose potential engineering solutions for an identified environmental design problem.

Problem-Based Learning

⏱ 45 min·Small Groups

Schoolyard Walkabout: Environmental Audit

Lead students on a 10-minute walk around school grounds to observe issues like litter hotspots or drainage problems. In small groups, they sketch or note three potential problems and one symptom each. Groups share back in class to vote on priorities.

Prepare & details

Analyze a local environmental problem that needs a solution.

Facilitation Tip: During the Schoolyard Walkabout, have students use simple tally marks on clipboards rather than full sentences to save time and focus on observation.

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·Small Groups

Card Sort: Problems vs Symptoms

Prepare cards with local scenarios, such as 'wet playground' or 'blocked drains.' Groups sort cards into 'problem,' 'symptom,' or 'neither' piles over 15 minutes. Facilitate a class discussion where groups justify sorts with evidence.

Prepare & details

Differentiate between a problem and its symptoms.

Facilitation Tip: For the Card Sort, demonstrate one example of sorting a problem from its symptoms before letting students work in pairs.

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

⏱ 25 min·Pairs

Pairs Debate: Problem Priority

Pairs receive two local issues, like bird-nesting site loss versus path flooding. They prepare 2-minute arguments on which merits design first, using impact criteria. Pairs present to class for group vote.

Prepare & details

Justify why a particular problem is important to solve.

Facilitation Tip: In the Pairs Debate, assign roles clearly: one student argues for importance, the other for feasibility, to push justification beyond personal opinions.

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·Whole Class

Whole Class Mapping: Community Issues

Project a local map; students suggest and sticky-note problems with justifications. Class clusters notes by theme and selects top three for further study. Update map as understanding grows.

Prepare & details

Analyze a local environmental problem that needs a solution.

Facilitation Tip: When mapping community issues, provide a large shared map and colored sticky notes so students can visually cluster similar problems.

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

Start by modeling how to separate symptoms from root causes with a familiar example, like a flooded classroom, before moving to environmental issues. Avoid rushing to solutions; instead, ask questions that guide students to articulate the problem’s impact. Research shows that when students practice justifying their thinking out loud, they develop deeper analytical skills and retain concepts longer.

What to Expect

Students will confidently identify root causes of environmental issues, not just symptoms, and justify why these problems require engineering solutions. They will listen to peers, ask clarifying questions, and refine their thinking through structured activities. By the end, students can explain problems in terms of impact on people, wildlife, and community health.

Watch Out for These Misconceptions

Common Misconception

During Schoolyard Walkabout, watch for students who want to immediately clean up litter instead of analyzing why it is there.

What to Teach Instead

Pause the walk and ask, 'What patterns do you notice about where the litter is? Could the bins be too far away?' Refocus their attention on identifying root causes rather than symptoms.

Common Misconception

During Card Sort: Problems vs Symptoms, watch for students who group all environmental issues together without differentiating root causes from effects.

What to Teach Instead

Model sorting one example aloud: 'Plastic bottles on the ground are a symptom, but broken recycling bins are a root cause.' Have students orally justify their groupings before finalizing them.

Common Misconception

During Whole Class Mapping: Community Issues, watch for students who dismiss problems that happen far from school as less important.

What to Teach Instead

Prompt them to consider shared impacts: 'How does a polluted river near our school affect wildlife that migrates through our area?' Encourage them to trace connections on the map using arrows or strings.

Common Misconception

Assessment Ideas

Discussion Prompt

Present students with a scenario: 'Our school playground has a lot of litter every Monday morning.' Ask: 'What are the symptoms of this problem? What might be the root cause? Why is it important to solve this?' Record student responses to gauge understanding of problem vs. symptom and problem significance.

Quick Check

Provide students with a worksheet listing several environmental issues. For each issue, they must write one sentence identifying a symptom and one sentence identifying a potential root cause. For example, for 'plastic bottles on the beach', a symptom is 'bottles on sand', and a root cause is 'lack of recycling bins'.

Exit Ticket

Ask students to write down one environmental problem they have observed in their local community. Then, they should write two sentences explaining why solving this problem is important, considering its impact on people or nature.

Extensions & Scaffolding

• Challenge students to design a prototype solution for the top problem identified in the Pairs Debate, using only recycled materials.
• For students who struggle, provide a partially completed card sort with one problem and two symptoms already grouped to scaffold their analysis.
• Deeper exploration: Invite a local environmental scientist to discuss how engineers solve similar problems in the community, connecting classwork to real careers.

Key Vocabulary

Environmental Problem	A condition or situation in the natural environment that is harmful to living organisms or ecosystems.
Symptom	An observable effect or sign of an environmental problem, rather than the underlying cause.
Root Cause	The fundamental reason or origin of an environmental problem, which, if addressed, can lead to a lasting solution.
Engineering Design Process	A systematic approach used by engineers to solve problems, involving steps like identifying a problem, brainstorming solutions, and testing prototypes.