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Grade 7th rock cycle test

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  • 1. AL-HUDA SCHOOL Campus III (Boys Section) Class Test 2013 ScienceRock and Weathering Grade VIIName: _________________________________Date:____________Time: 30 minutes Max. Marks: _________Parent signature: ____________________________Directions: Fill in the blank with the correct word. A list of possible answers is provided at thebottom of the page.1. _________ is made of one or more minerals.2. The three main groups of rocks are sedimentary, _____________, and igneousRocks.3. Sedimentary rocks are commonly made of __________ that are compacted andCemented together.4. ____________ involves the breaking down of rocks on the earth’s surface.5. ____________ rock solidifies to form igneous rocks.6. ____________ involves the transporting of sediment from one place toAnother.7. The rock ___________ illustrates how rocks change from one type of rock toAnother.8. The particles resulting from weathering of rocks may lead to theFormation of _______________ rock.9. Molten rock inside the earth is called ____________.10. Heat and __________ are key factors in the formation of metamorphic rocks.Metamorphic cycle molten erosion igneous pressureRocks sedimentary weathering lava magmaSedimentsDirections: Decide whether the answer is True (T) or False (F).11. Igneous rocks are only found within the earth.12. Molten rock found on the surface of the earth is called coral.13. Molten rock is only found close to the surface.14. Compaction and cementation of sediments are key processes involved in the formation ofsedimentary rocks.15. The process of rain wearing down rocks is an example of weathering.16. Moving water is a minor force in transporting sediment.17. Sand once existed as rock.18. The rock cycle only flows in one direction.19. Magma is the result of rocks being heated into liquid rock.20. Erosion is responsible for transporting sediment.
  • 2. Multiple Choice Questions1. Which type of rock is granite?A) Igneous B) sedimentary C) metamorphic D) limestone2. When the Earth was first formed its surface consisted entirely ofA) Metamorphic rocks B) sedimentary rocks C) igneous rocks D) porous rocks3. The average temperature beneath the surface of the Earth is well overA) 10°C B) 100°C C) 1000°C D) 10000°C4. The breaking down of rocks due to the air, water and the heat from the Sun is calledA) Heating B) weathering C) cooling D) burning5. Rain water becomes acidic because it dissolvesA) Carbon monoxide B) sculpture dioxide C) nitrogen dioxide D) oxygen6. Stalactites and stalagmites are formed due to the deposition ofA) Calcium sulphate B) calcium nitrate C) calcium phosphate D) calcium carbonate7. Changes in the speed of a river are responsible for the deposition of different sized rockfragments in different places. This process is calledA) Deposition B) sorting C) flowing D) bedding8. Which one of the following are steps in the formation of sedimentary rock?A) Rocks compacted by pressure+ particles cemented together+ formation of sedimentaryrock B) Particles cemented together+ formation of sedimentary rock + rocks compacted bypressure C) Formation of sedimentary rock+ particles cemented together + rocks compactedby pressure D) Rocks compacted by pressure+ formation of sedimentary rock+ particlescemented by pressure9. Sand dunes are formed by the deposition of rock fragments byA) Rivers B) seas C) winds D) oceans10. What determines the type of sedimentary rock that is formed?A) The size and origin of the sediment particles. B) The size and origin of the river that carriesthe sediment. C) The place of deposition of the sediment.D) the angles at which the sedimentis depositedAttempt any 10 questions from the followingQ: Define rock? How many types of rocks are there? Name them.Q: Define the following rocks? A) Metamorphic rock b) sedimentary rock.Q: Describe the Rock Cycle? Also draw a diagram?Q: What is weathering? Write three types of weathering and define them?
  • 3. Q: How carbonic acid is formed? Write the word equation for the formation of carbonicacid?Q: Define stalactites and stalagmites?Q: Define sediments and deposit sediment? Define the conversion of sediment intosedimentary rock?Q: Describe the structure of sedimentary rock?Q: Draw the diagram of the following? A) Cross bedding b) graded bedding c) ripplemarks?