Science / Year 8 / Science Understanding / Earth and space sciences

Curriculum content descriptions

Sedimentary, igneous and metamorphic rocks contain minerals and are formed by processes that occur within Earth over a variety of timescales (ACSSU153)

Elaborations
  • representing the stages in the formation of igneous, metamorphic and sedimentary rocks, including indications of timescales involved
  • identifying a range of common rock types using a key based on observable physical and chemical properties
  • recognising that rocks are a collection of different minerals
  • considering the role of forces and energy in the formation of different types of rocks and minerals
  • recognising that some rocks and minerals, such as ores, provide valuable resources
ScOT terms

Rock types,  Minerals (Mineralogy),  Earth movements

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World's deltas subsiding, says study

This brief ABC News in Science article from 2009 describes how two-thirds of the world's major deltas, home to nearly half a billion people, are caught between sinking land and rising seas, according to a new study. A very good example of an explanatory text dealing with examples of the impacts of human activity including ...

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The price of peak fuel

This ABC In Depth feature article discusses the projections of how long will our energy resources will last given that our need for fossil fuels is insatiable, but coal, oil, gas and uranium reserves are finite and some may even be in decline. This article is comprehensive, but it is dated at 2008.

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Copper processing

Find out how copper ore is extracted and turned into copper metal. This is a PowerPoint presentation showing the properties, uses and extraction of copper. It includes details of the mining and processing of copper ore, as well as smelting, converting and refining to produce copper metal. Most slides contain photographs ...

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Coal and its uses

Find out where we get the coal that powers our homes and industries. This is a PowerPoint presentation outlining how coal is formed, mined, processed and used. All slides contain images or maps. Teachers' notes are included.

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Uses of mineral sands

Find out what minerals can be found in beach sands and why they are important to us. This is a PowerPoint presentation about sand minerals and the products derived from them. It deals with the origin and deposition of the mineral deposits, the properties of the minerals zircon, rutile and ilmenite and their uses as well ...