Contents Uni t Learning s i tuat i on C H A L L E N G E Susta inabl e Deve l opment Goa l s (SDG ) and the i r target s 7 Forces and machines 158 Design machines that help other people SDG 10: Reduced inequalities Target 10.2 8 Motion 180 Design a campaign to improve road safety where you live SDG 3: Good health and well-being Target 3.6 9 The forces of nature 212 Develop models to explain the forces of nature SDG 4: Quality education Target 4.1 10 Electricity and electronics 240 Propose actions to reduce electronic waste SDG 12: Responsible consumption and production Target 12.5 11 Electrical energy 266 Develop proposals for renewing electric power stations SDG 13: Climate action Target 13.3 Annexes 288
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