SACE Stage 2 Earth and Environmental Science case studies
SACE Stage 2 Earth and Environmental Science · Put your knowledge to work in context.
Earth and Environmental Science is a Stage 2 subject in the South Australian Certificate of Education (SACE), the senior secondary qualification delivered by the SACE Board of South Australia. The subject is intended for students in their final year of schooling who want to understand how the Earth works as an integrated system and how human activity both shapes and depends on it. According to the SACE Board, students learn about how the four different systems of the Earth interact with each other and how these affect and are affected by people. The content also covers vital information about social and environmental issues such as use of the Earth's resources and climate change. The SACE Stage 2 Earth and Environmental Science case studies are 5 cases and about 2,059 words.
1The Coorong Wetland Salinity Puzzle
A coastal lagoon system behind a sandy barrier has three monitoring sites. Site A sits near a tidal inlet and shows salinity 34 ppt with strong daily tidal range.
440 words, about 2 min2Iron Ore Grade and the Mine Viability Decision
A company is assessing a hematite iron ore deposit. Drilling gives an average grade of 57% Fe across 40 Mt of indicated resource.
444 words, about 2 min3Reading a Temperature Record with Confounders
A regional weather station has recorded daily maximum temperatures since 1950. The raw record shows a warming of 0.9 °C over 70 years.
384 words, about 2 min4Designing a Fair Water-Quality Comparison
Two students compare turbidity in a creek above and below a construction site. They take one 500 mL sample above the site at 9 am on a dry Monday and one below the site at 4 pm the same day after a rain shower.
391 words, about 2 min5Weighing a Wind Farm's Net Benefit
A 200 MW wind farm is proposed on farmland. At a 35% capacity factor it would generate about 613 GWh per year.
400 words, about 2 min