AC9S4H02 Year 4 Science

Content descriptor consider how people use scientific explanations to meet a need or solve a problem

Elaborations

• • Elaboration investigating how knowledge of the role of decomposers has helped people design industrial composting systems to manage plant and animal waste
• • Elaboration investigating how First Nations Australians of arid regions of Australia use scientific knowledge to manage precious water resources
• • Elaboration considering how knowledges of plant biology enable First Nations Australians to sustainably harvest and use plants to make tools and weapons, musical instruments, clothing, cosmetics and artworks
• • Elaboration exploring how knowledge of the properties of plastic has influenced people to change how they purchase, use and dispose of plastic products
• • Elaboration examining how people use knowledge of friction to improve car or bicycle safety on slippery surfaces such as wet or icy roads
• • Elaboration investigating how knowledge of magnetic force is used to sort metals in recycling, mining and food processing