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The goal of this worksheet is to enable students to independently identify and critically examine manipulative marketing strategies in retail. Using a specific case study, they will develop the theoretical foundation needed to distinguish between genuine sustainability promises and deliberate consumer deception, so they can make informed, independent consumer decisions in their daily lives.

Content and Methods: The content focuses on the definition and strategic characteristics of greenwashing, its psychological impact, and an analysis of legal consequences. Methodologically, the worksheet combines an image-based case analysis with in-depth journalistic text analysis. A video-based summary of theoretical categories of deception and a practical, criteria-based checklist serve to reinforce knowledge and facilitate active application to students’ own consumer behavior.

Competencies:

Analytical Competence: Students can systematically deconstruct visual design elements, price placements, and advertising messages in digital user interfaces.

Substantive Competence: They understand the definition of the technical term “greenwashing” and can distinguish between vague marketing phrases and verifiable sustainability labels.

Critical thinking skills: Students are able to critically evaluate the discrepancy between corporate sustainability reports and actual environmental impacts.

Reflective thinking skills: They can critically examine their own susceptibility to manipulative sales strategies and identify alternative courses of action.

Target audience and grade level: Intermediate (8th-10th grade)

This worksheet aims to raise students’ awareness of the mechanisms, economic dimensions, and psychological strategies of modern digital marketing in everyday life.

Content and Methods: The material focuses on the economic significance of social media marketing based on statistical data, as well as the analysis of specific digital posts. Methodologically, the worksheet relies on a combination of practical case studies—in which an exemplary social media post is deconstructed both textually and statistically—and theoretical insights into behavioral economic effects. In addition, the material encourages multi-perspective discussion through reflective writing assignments and the comparison of contrasting stakeholder perspectives. Finally, the discussion of complex issues is used to synthesize what has been learned into the formation of independent judgments.

Competencies:

Analytical and Deconstructive Competence: The ability to systematically examine media content and linguistic and statistical devices for their manipulative or promotional effects

Reflective and Critical Thinking Competence: The ability to critically examine one’s own consumer behavior and evaluate economic phenomena from different perspectives

Media and Economic Competence: Understanding of digital market mechanisms, psychological influence strategies such as the authority bias or the bandwagon effect, and their impact on the economy

Target Audience and Level: 9th/10th grade

Objective: This workbook explores a historical and materials-science phenomenon: the production of casein, an early milk-based bioplastic. Students work as a team of researchers to investigate how the organic components of liquid cow’s milk can be transformed into a solid plastic through the action of acid.

Content and Methods: The content is conveyed through a combination of historical contextualization, experimental laboratory work, and material analysis: Starting with the question of how a solid material can be produced from milk, students explore the composition of milk and the effect of acids on proteins. They then experimentally extract casein, document the course of the reaction, and examine the properties of the resulting bioplastic. Finally, the results are used in a scientific application to evaluate the historical significance and material properties of casein as an alternative to plastic.

Competencies:

• Technical expertise: Understanding of protein denaturation (acid precipitation of milk protein/casein) and the classification of galalith as a historical bioplastic
• Knowledge acquisition: Planning, conducting, and systematically documenting a preparative organic chemistry experiment (filtration, solid isolation)
• Materials and testing skills: Criteria-based analysis of the physical properties of a self-produced solid
• Argumentation and language skills: Writing a technically sound report using precise scientific explanations

Target audience and level: Middle school

Objective: This worksheet explores the electrochemical fundamentals of galvanic cells and how a lemon battery works in the context of modern, sustainable technology development. Students take on the role of a startup research team to experimentally and ecologically evaluate the suitability of a lemon as an environmentally friendly electrolyte, as well as the efficiency of various electrode pairings.

Content and Methods: The content is taught by combining theoretical fundamentals, experimental data collection, error analysis, and sustainability assessment: First, students explore the structure and functioning of electrochemical cells as well as the underlying redox reactions. They then test their hypotheses in an experiment, document measurement data, and analyze typical sources of error in the laboratory. Finally, they evaluate the performance and sustainability of various materials before summarizing their results in a technical report and a persuasive presentation.

Competencies:

• Technical Competence: Understanding of redox reactions, electrode potentials, and the role of electrolytes in generating electrical power
• Data Analysis: Conducting quantitative electrochemical measurements, systematically comparing variables, and identifying sources of methodological error
• Evaluation Competence: Balancing maximum technical performance with environmental factors (extraction, recycling, toxicity) in the context of sustainable chemistry
• Communication skills: Targeted, audience-oriented presentation of laboratory data for a business analysis or an investor pitch

Target audience and level: Middle School

This worksheet aims to teach students the fundamental rules of English punctuation through a series of "detective missions". It focuses on the correct application of end marks, commas in lists, and colons to improve overall writing clarity and sentence structure.

Content and Methods: The worksheet employs a gamified "detective headquarters" theme to guide students through three targeted exercises and one comprehensive final task. It uses fill-in-the-blank sentences for end punctuation, identification tasks for commas and colons, and a final proofreading exercise where students must rewrite a continuous text by applying punctuation and capitalization correctly. A "cheat sheet" is provided to support independent learning and rule reinforcement.

Competencies:

• Punctuation Proficiency: Correct use of periods, question marks, exclamation marks, commas, and colons
• Grammar and Mechanics: Application of capitalization rules in context
• Proofreading and Editing: Identifying missing structural cues in unpunctuated text
• Syntactic Awareness: Recognizing list structures and introductory elements in sentences

Target Group: Grade 3 and above

Students playfully immerse themselves in the world of trees, solve puzzles, and identify different tree species in order to find a “forest treasure” and break a “curse.”

Content and Methods:

In an escape room scenario, students solve various puzzles related to tree species. They must identify trees based on descriptions, fill in gaps in texts, evaluate statements about trees as true or false, and classify trees as deciduous or coniferous. The worksheet also encourages students to document the trees they find, e.g., through photos or drawings.

Skills:

• Knowledge of tree species
• Analytical thinking and problem-solving
• Reading comprehension and text analysis
• Classification and categorization

Target audience and grade level:

Grade 5 and up

Objective: This worksheet aims to help learners understand the pros and cons of a particular profession and prepare them for a job interview.

Content and Methods: A text describes the profession, including its advantages and disadvantages. A dialogue scenario for a job interview serves as a basis for learners to practice in a role-play. Detailed role cards provide guidance on emotions and goals. A checklist supports preparation for the job application.

Competencies:

• Vocational knowledge: Understanding the requirements of the profession
• Communication: Preparing for and conducting a job interview
• Self-reflection: Reflecting on one’s own abilities

Target group and level: Spanish learners at A2 level

Objective: This worksheet aims to provide students with a basic understanding of genetic engineering and to facilitate a discussion of its advantages and disadvantages, particularly as they relate to fruits and vegetables.

Content and Methods: It explains the basics of genetic engineering and its applications (medicine, agriculture, research). The focus is on genetic engineering in fruits and vegetables, its advantages (pesticide resistance, productivity, nutritional value, climate adaptation), and concerns (environment, health, acceptance, costs). Methods include a prior knowledge assessment, multiple-choice questions, open-ended questions, and expressing an opinion in letter form.

Competencies:

• Reading comprehension of scientific texts
• Critical thinking about biotechnology
• Argumentation and written expression skills

Target audience and level: Spanish learners at B1 level

ESD:

• SDG 13 (Climate Action): Exploring climate adaptation
• SDG 15 (Life on Land): Raising awareness of biodiversity conservation

Objective: This worksheet aims to provide learners with a basic understanding of Spanish history and to practice their written communication skills.

Content and Methods: It covers the origins and key periods of Spanish history, including historical facts and a fictional letter from the past. Methods include listening and reading comprehension, multiple-choice and true/false questions, and a letter-writing task.

Competencies:

• Listening and reading comprehension
• Historical knowledge of Spain
• Written communication

Target audience and level: Spanish learners at B1 level