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ROCK Jeopardy!

Learn interesting facts about rocks and their characteristics, including their composition, texture, and formation process. Explore the different types of rocks and how they change through the rock cycle.

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ROCK Jeopardy!

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  1. ROCK Jeopardy!

  2. ROCK Jeopardy!

  3. What are rocks made of?

  4. Minerals and other materials. Back to Menu

  5. The size, shape, & pattern of rock grains is called what?

  6. Texture. Back to Menu

  7. A rock like Pumice has many holes in it and can be described as _______. How does this affect its density?

  8. Porous. This makes the rock less dense and able to float in water. Back to Menu

  9. What is the texture of a rock with visible, large grains? Small grains, easier to see with a hand lens?

  10. Coarse-grained Fine-grained Back to Menu

  11. How can a rock have no grains? Give an example.

  12. If rock cools very quickly, large crystals will not form, resulting in smooth, glassy texture. Ex: Obsidian. Back to Menu Final Jeopardy

  13. How are Igneous rocks classified?

  14. Origin • Texture • Mineral Composition Back to Menu

  15. What are the 2 origins an Igneous rock can have, and where are they?

  16. Intrusive & Extrusive; inside the crust and on the surface. Back to Menu

  17. An Igneous rock texture that has widely varying sizes of crystals.

  18. Porphyritic. Back to Menu

  19. What compound changes the color of rock? How does the color change when the amount of compound increases / decreases?

  20. Silica - more Silica gives a lighter color. Less Silica gives a darker color. Back to Menu

  21. Describe the texture of each sample: 1 2 3 4

  22. Fine-grained Porphyritic Coarse-grained No crystals Back to Menu Final Jeopardy

  23. What are the 3 types of Sedimentary rocks?

  24. Clastic Organic Chemical Back to Menu

  25. What is sediment and how is it created?

  26. Sediment: pieces of material from rock or living things. Created by weathering. Back to Menu

  27. What are the 2 types of weathering? Give 2 examples of each.

  28. Mechanical / Physical Abrasion Plants Animals Freezing / Thawing Chemical Water Acid Rain Carbon Dioxide (CO2) Oxygen (Rust) Back to Menu

  29. Describe the differences between Clastic, Organic, & Chemical rock.

  30. Clastic: formed mainly through compaction • Organic: contains remains of once living creatures • Chemical: forms from solution - evaporation Back to Menu

  31. List and describe the 5 steps that form Sedimentary rocks.

  32. 1. Weathering: breaking rocks down into sediment 2. Erosion: carrying sediments by wind or water 3. Deposition: when sediment is “dropped off” 4. Compaction: layers of rock pressing together 5. Cementation: solution crystallizes, gluing sediment together Back to Menu Final Jeopardy

  33. What are the 2 driving forces of Metamorphism?

  34. Heat & Pressure Back to Menu

  35. True or False: Continental crust is made mostly of gneiss and the oceanic crust is made mainly from schist. If false, how would you make this statement true?

  36. False: continental crust is made of Granite & oceanic crust is made from Basalt. Back to Menu

  37. What are the Metamorphic forms of Limestone, Shale, & Granite?

  38. Marble Slate Schist / Gneiss Back to Menu

  39. What are the 2 classifications of metamorphic rocks? Describe them.

  40. Foliated & Non-foliated. Foliated has grains arranged in layers. Non-foliated has grains that are randomly placed. Back to Menu

  41. What are 5 things that are most likely to change when a rock becomes Metamorphic?

  42. Appearance Texture Crystal structure Mineral composition Density Back to Menu Final Jeopardy

  43. What is the Rock Cycle?

  44. An ongoing process at & beneath the surface that is constantly building and destroying rocks of all types. Back to Menu

  45. True or False: the rock cycle only operates in one direction. Explain.

  46. False: rocks can move along the rock cycle in any direction if the environment permits. Uplift can expose Igneous, Metamorphic or Sedimentary rocks at any time, and all rocks can be buried further under the surface. Back to Menu

  47. What major type of rock would most likely have fossils? Why would the other types of rock not have fossils?

  48. Sedimentary rocks. Igneous rocks come from molten material, so the fossils would be destroyed. Metamorphic rocks might contain fossils, but are less likely to. Back to Menu

  49. Describe 2 ways an Igneous rock can become a Metamorphic rock.

  50. Can be Extrusive, gets weathered, compacted into Sedimentary rock, then buried deeper and metamorphose. • Can be Intrusive, remain buried, then undergo metamorphism. Back to Menu

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