Agribusiness and Global Supply Chains

Active tracing and role-playing make the abstract global supply chain visible and meaningful to students. When learners physically map a tomato’s journey from seed to shelf, they see geography in action and confront the real-world complexity of everyday products.

• 10th Grade
• Geography
• 3 activities
• 25 min–50 min

Learning Objectives

1. Trace the geographic path of a common food product, such as coffee or bananas, from its origin to a U.S. consumer, identifying key nodes in the supply chain.
2. Analyze how a specific global event, like a drought in a major agricultural region or a shipping disruption, impacts the price and availability of a food product in the U.S.
3. Compare the relative power of producers, distributors, and consumers within a specific agribusiness supply chain, citing examples of influence.
4. Evaluate the environmental and social impacts of global food supply chains on both producing regions and consuming populations.

Project-Based Learning

⏱ 50 min·Pairs

Supply Chain Mapping: Follow That Food

Each pair selects a common food product (coffee, chocolate, chicken nuggets, orange juice, soybeans) and traces its supply chain from raw ingredient origin to grocery shelf. They create an annotated map showing the geographic path, identify key nodes (farms, processors, ports, distributors), and note where value is added and captured.

Prepare & details

Analyze how a disruption in one part of the world affects food prices globally.

Facilitation Tip: For Supply Chain Mapping, ask students to use arrows of increasing thickness to show the volume of goods, not just the sequence of stops.

Setup: Flexible workspace with access to materials and technology

Materials: Project brief with driving question, Planning template and timeline, Rubric with milestones, Presentation materials

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

Think-Pair-Share

⏱ 25 min·Pairs

Think-Pair-Share: Supply Chain Disruption Analysis

Students read a short case study about a real supply chain disruption (2021 Suez Canal blockage, COVID cold-chain failures, 2023 avian flu and egg prices). They individually identify affected geographic nodes, pair to discuss ripple effects, then share with the class to build a systems map showing how disruptions propagate.

Prepare & details

Explain who has more power in the food system: the producer, the distributor, or the consumer?

Facilitation Tip: During Think-Pair-Share, assign each pair a different disruption scenario so the whole class can later compare varied consequences.

Setup: Standard classroom seating; students turn to a neighbor

Materials: Discussion prompt (projected or printed), Optional: recording sheet for pairs

• Understand
• Apply
• Analyze
• Self-Awareness
• Relationship Skills

Role Play

⏱ 35 min·Whole Class

Role Play: Who Gets the Money?

Students take roles in the coffee supply chain (farmer in Ethiopia, cooperative, exporter, importer, roaster, retailer, consumer) and receive cards showing each actor's share of the final retail price. Arranged spatially on a world map, they discuss whether this distribution reflects the labor and risk each actor bears.

Prepare & details

Trace the geographic path of a common food product from its origin to your plate.

Facilitation Tip: In the Role Play, give each role a one-sentence ‘bottom line’ card so conversations stay focused on value capture rather than personalities.

Setup: Open space or rearranged desks for scenario staging

Materials: Character cards with backstory and goals, Scenario briefing sheet

• Apply
• Analyze
• Evaluate
• Social Awareness
• Self-Awareness

Teaching This Topic

Start with a familiar product so students realize the supply chain is longer than they assumed. Use the phrase ‘geographic concentration’ deliberately when you debrief to connect spatial patterns to market power. Avoid letting the discussion drift into moral judgments of farmers versus corporations; instead, keep the focus on measurable data such as price shares and logistics bottlenecks.

What to Expect

Students will leave able to name at least three distinct stages in a commodity chain and explain one disruption risk per stage. They will also articulate which actors capture the greatest share of retail value and why. Evidence of this understanding appears in their maps, role-play notes, and discussion contributions.

Watch Out for These Misconceptions

Common Misconception

During Supply Chain Mapping, watch for students who draw a single straight line from farm to store and label it ‘local.’

What to Teach Instead

Redirect them to open the commodity chain by adding at least two intermediate nodes (e.g., seed company, refrigerated trucking, port warehouse) and mark each with country labels.

Common Misconception

During the Role Play, listen for students who argue that farmers deserve most of the money because they ‘work the hardest.’

What to Teach Instead

Prompt them to consult the value-distribution handout and ask which role’s profit margin most closely matches the final retail price, then have them restate their claim based on the data.

Assessment Ideas

Exit Ticket

After Supply Chain Mapping, collect each student’s map and ask them to write on the back three stages and one disruption per stage for a product of their choice.

Discussion Prompt

After Think-Pair-Share, launch a whole-class discussion where students must cite specific roles and data points from their scenarios to support their positions on who holds the most power.

Quick Check

During Role Play, circulate with a clipboard and mark whether each group’s final profit shares align with the value-distribution chart; collect one group’s summary to check for accuracy.

Extensions & Scaffolding

• Challenge: Ask early finishers to research a second commodity and compare the power structures side-by-side in a short slide or infographic.
• Scaffolding: Provide pre-labeled sticky notes with key terms (e.g., ‘seed breeder,’ ‘export terminal’) so struggling students can focus on sequencing before they add details.
• Deeper exploration: Invite a local distributor or produce manager to a 15-minute virtual Q&A about how COVID-19 reshaped their supply priorities.

Key Vocabulary

Agribusiness	Commercial enterprises involved in the entire food supply chain, from agricultural production to processing, distribution, and retail.
Supply Chain	The network of all the individuals, companies, resources, activities, and technologies involved in the creation and sale of a product, from the delivery of source materials from the supplier to the manufacturer, through to its eventual delivery to the end user.
Commodity	A raw material or primary agricultural product that can be bought and sold, such as wheat, coffee, or oil.
Globalization	The process by which businesses or other organizations develop international influence or start operating on an international scale, connecting economies and cultures worldwide.
Food Miles	The distance food travels from where it is grown or produced to where it is purchased or consumed, often used as a measure of environmental impact.