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Chocolate money

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 Resource from the ENGAGE project, which won 'best open educational resource (2017)'

 

Europeans love chocolate - we eat over half the world's supply! The bad news is that we are eating more cocoa than can be produced and soon chocolate may become a rare and precious commodity as farmers struggle to meet demand. In this activity students apply their knowledge of pollination to discuss why cocoa yields on a plantation are decreasing. They then find out who funds scientific research by taking roles in a funding meeting - can they work out a deal where all parties will benefit?

    Blueprint curriculum link

    • Unit: Interdependence
    • Concept: Abiotic & biotic: Abiotic and biotic factors affect the population of an organism
    • Skills: Speak: Present
    • Learning stage: Analyse
    Weblinks

    The cocoa crisis

    News story on why chocolate supplies are running low.

    Cocoa pollination research project

    Background reading for teachers. The real research project that the one in the activity was based on.

    Chocolate in the Ivory Coast

    You can use this video to show the students how cocoa is harvested. The section 3:02-3:44 is suitable. If you have time, your students may enjoy watching the rest of the video which shows cocoa farmers tasting chocolate for the first time.

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    Q&A

    For the Year 7 Mastery Practice book:

    For the Y9/GCSE Mastery Practice Book:

    It was written to help year 7 students learn to transfer the scientific knowledge to unfamiliar situation. It can also be used by students in other years to improve their understanding of the fundamental concepts. Learning to apply is what will give students access to the 60% of marks at GCSE that demand more than recalling content. The book uses a research-based approach to teach students how to solve different types of problems.

    The Practice Book has a chapter on each unit in the year 7 curriculum, based on a 5-year curriculum and AQA's KS3 Science Syllabus. Download the sample material to see exactly what concepts and types of problems are included.

    The first strategy studente need to learn is to evaluate the problem and what knowledge is needed to solve it. 'Detect' simulates how an expert looks at a question. They make sense of the situation, look beyond the superficial details to find the deep structure This allows them to recognise this as an example of a problem type they have seen before, and recall the organised information they need to solve - key concepts. It ensures that students avoid their inclination to just look at the keywords, and dive in risking misunderstanding the situation. Detect is broken down into smaller steps, usually: draw a diagram, show values, identify unknown, decide the concept

    This encourages students to bring into their working memory all their existing knowledge, externalise it on paper (to reduce working memory demands), and then home in on what's relevant to solving the problem.

    The third stage of the problem solving strategy is the actual solution process using the knowledge from Recall.The Solve starts by showing how to use the knowledge from Recall and models a step by step process of moving towards a solution for the problem.We teach students how to write answers scientifically, using a variety of structures like claim-evidence-reasoning, and problem-solution, and cause-effect.

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