Rocks and Weathering

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Rocks and Weathering
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Q1. What do we call a naturally occurring
aggregate of minerals?
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A1. Rock
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Q2. What do we call the physical, biological or
chemical breakdown of rocks?
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A2. Weathering
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Q3. What do we call the transport of weathered
rock?
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A3. Erosion
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Q4. What do we call the deposition (laying down)
of small particles of rock, usually on a sea or
river bed?
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A4. Sedimentation
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Q5. What word means rubbing away, for example
when rocks are swept along by a river?
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A5. Abrasion
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Q6. What do you call the place where a river
joins the sea?
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A6. An estuaryA delta
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Q7. What do you call a valley full of flowing ice?
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A7. A glacier
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Q8. Give a word that means able to soak up liquid
like a sponge
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A8. Porous
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Q9. Name a hard, white form of calcium carbonate
that can be polished and that is used to make
statues?
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A9. Marble
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Q10. Name a soft, white form of calcium carbonate
that forms the cliffs near Dover.
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A10. Chalk
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Q11. Name a form of calcium carbonate that is
softer than marble but harder than chalk.
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A11. Limestone
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Q12. Name a hard, igneous rock with large pink,
grey, black and white crystals.
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A12. Granite
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Q13. Name a black, volcanic rock with tiny
crystals.
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A13. Basalt
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Q14. Name the shiny black, glassy volcanic rock
which has no crystals in it.
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A14. Obsidian
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Q15. Name a light grey volcanic rock that floats
on water. It is used to remove hard skin.
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A15. Pumice
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Q16. What do we call liquid drops that fall from
the sky in a storm?
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A16. Rain
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