An exam-focused lesson aligned to the QCAA Agricultural Science syllabus, examining agricultural price trends, trade, tariffs, and the impact of post-harvest handling on product quality.

Syllabus links:

• Identify and analyse trends in market price for agricultural commodities and link fluctuations to supply and demand

• Describe how the trade of agricultural products affects local and international economies (imports and exports)

• Draw conclusions about how post-harvest handling of fresh plant products impacts product quality

Includes:

• Slide-ready content on market price trends and supply–demand relationships

• Explicit teaching of tariffs and free trade agreements (FTAs)

• Video on China’s tariffs on Australian beef to analyse real-world trade impacts

• Clear explanation of how tariffs affect export competitiveness and sales

• Past QCAA exam questions embedded and aligned to syllabus points

• All answers included

• Built-in timers, animations, and a reflective plenary linked to learning objectives

Suitable for:

• Year 12 Agricultural Science (QCAA)

• 2-3 X 50-minute senior lesson worth of work

• Exam preparation, data interpretation, and trade analysis

• Clear, current, and exam-ready — an ideal end-of-unit lesson.