© NTScience.co.uk 2005KS3 Unit 8g - Rocks and Weathering 1 Rocks and Weathering.

KS3 Unit 8g - 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 estuary

A 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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