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Rocks

Learn how rocks evolve through different pathways in the rock cycle, from sedimentary to igneous to metamorphic rocks. Explore the processes such as melting, cooling, erosion, and deposition that shape the Earth's surface. Understand the role of heat, pressure, and other factors in transforming rocks from one type to another.

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Rocks

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  1. Rocks Review game

  2. Describe 2 pathways a sedimentary rock can take to become an igneous rock • Melting- cooling • Heat/pressure-metamorphic rock-melting-cooling

  3. 2) What step in the rock cycle helps metamorphic rock to form? Heat & Pressure

  4. 3) Describe 2 pathways a igneous rock can take to become a metamorphic rock • heat/pressure- metamorphic rock • Erosion- deposition- compaction- sedimentary rock- heat/pressure- metamorphic rock

  5. 4) What step helps turn any kind of rock into a sedimentary rock? Erosion

  6. 5)A sedimentary rock made up of rounded fragments of other rocks is called A Clastic rock

  7. 6) What step in the rock cycle would be required to change gneiss into sandstone? Erosion

  8. 7) A series of processes on Earth's surface and interior that slowly changes rocks from one kind to another is called Rock cycle

  9. 8) The texture of a metamorphic rock that has grains arranged in parallel layers is described as foliated

  10. 9) Where does the heat that changes a rock into metamorphic rock come from mantle

  11. Rocks are changed into metamorphic rock through what ways? Heat & pressure

  12. Rocks formed by things that were once alive are called what? Organic rocks

  13. How are clastic sedimentary rocks formed? When sediments are compacted, and water reacts with the chemicals in the minerals making them stick together. (cementation)

  14. Describe the process of cementation as it applies to sedimentary rocks. water reacts with the chemicals in the minerals making them stick together.

  15. Describe deposition. When sediments build up on top of each other in one place

  16. Describe erosion. Process where rock is broken down into smaller pieces and transported to a different location

  17. Some igneous rocks have a porphyritic texture. Describe a porphyritic texture. Large grains scattered on a background of much smaller crystals

  18. What is the most abundant intrusive rock? Granite

  19. What is the most abundant extrusive rock Basalt

  20. Describe a coarse grained rock. Large easy to see grains

  21. How do geologists determine a rock’s texture? Grain size, shape, and pattern

  22. 21) A metamorphic rock that has grains arranged in bands is said to be what? Foliated

  23. Give 2 examples of a clastic rock. Shale, conglomerate, sandstone, breccia

  24. 23) Sandstone changing to quartzite is an example of what process? Metamorphism (heat/pressure)

  25. 24) During the rock cycle, forces inside Earth can push rock down toward the heat of the mantle, and produce what type of rock? Metamorphic

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