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Rock Cycle Exploration for Young Geologists

Learn the rock cycle, types of rocks, and how to identify them through engaging activities and scientific vocabulary. Discover the properties and formation of igneous, sedimentary, and metamorphic rocks. Practice observation skills and classify rocks based on their characteristics.

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Rock Cycle Exploration for Young Geologists

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  1. Starter – in the back of your book. • Can you label the parts of the rock cycle?

  2. Objectives • Learn and use new scientific vocabulary; • Revise the rock cycle; • Revise the three types of rocks, examples and their properties; • Understand how sedimentary rocks show evidence of how they were deposited.

  3. What is a rock? • A solid naturally occurring, non-living material. • Most are ,made of tiny particles stuck together. • Geologists study rocks. • Rocks include: clay, sand, as well as rocks you may already know like sandstone.

  4. Igneous Rocks • Made from cooled magma; • Have crystals; • The slower it cools, the bigger the crystals; • Hard; • Impermeable.

  5. Sedimentary rock • Layers; • Fossils; • Porous; • Grains. Show evidence of how they were deposited and that the Earth’s crust is unstable.

  6. Metamorphic rock • Rocks changed by heat or pressure; • May have crystals; • Impermeable; • May have fossils.

  7. Looking at rocks • You have sample of rocks in front of you. • Look at the surface through a hand lens; • Scratch the surface with the mounted needle to see how hard it is; • Is the rock porous, use water and a pipette; • Is the rock effected by chemical weathering (drop acid onto its surface). Note your observations in an appropriate table and determine which category they fit into.

  8. Homework • Complete GCSE questions on the sheet for Friday.

  9. Starter – true or false? • Sedimentary rocks will have crystals; • Metamorphic rocks may have fossils in them; • The youngest sedimentary rocks are underneath older rocks; • The Earth’s crust is stable; • Mountain ranges are caused by the Earth’s crust moves; • Calcium carbonate, marble, limestone and chalk are all the same chemical.

  10. Objectives • To know the chemical composition and properties of limestone; • To understand hoe it is quarried and used in industry.

  11. Limestone • What is its formula? • What type of bonding is present? • What type of rock is it? • What are the two uses of limestone illustrated by these photographs?

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