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Geography > Chapter 5 - Rocks > Flashcards

Chapter 5 - Rocks Flashcards

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1
Q

Explain how metamorphic rock is formed.

A

Metamorphic rock is formed when existing rocks are changed over time by heat and pressure.

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2
Q

Explain how sedimentary rock is formed.

A

Sedimentary rock is formed when existing rocks, plants and animal life are worn down and compressed over geological time.

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3
Q

An igneous rock has large crystals. Name the rock.

A

Granite.

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4
Q

An igneous rock has small crystals. Name the rock.

A

Basalt.

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5
Q

Explain how igneous rock is formed.

A

Igneous rock is formed when magma or lava cool down.

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6
Q

What are the three types of rocks?

A

Igneous, metamorphic and sedimentary.

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7
Q

Sandstone is a sedimentary rock. True or false?

A

True.

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8
Q

Basalt is a white coloured rock. True or false?

A

False.

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9
Q

Marble is a sedimentary rock. True or false?

A

False.

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10
Q

What is Ireland’s most common sedimentary rock?

A

Limestone.

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11
Q

Name the metamorphic rock that was once sandstone.

A

Quartzite.

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12
Q

What igneous rock is found at the Giant’s Causeway, Co. Antrim?

A

Basalt.

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13
Q

Name the coarse multi-coloured igneous rock that is found in Wicklow.

A

Granite.

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14
Q

Name the fossil fuel that is found in the midlands of Ireland.

A

Peat.

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15
Q

Name one rock you have studied and state whether it is Igneous, Sedimentary or Metamorphic.

A

Name: Basalt

Type of rock: Igneous

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16
Q

How is basalt formed?

A

When volcanoes erupt, the molten lava reacts with the air and cools quickly. This forms basalt.

17
Q

Give two reasons why people might object to a quarry being opened near their home.

A

(a) Loss of farmland.

(b) Noise pollution.

18
Q

Rocks have many good uses for people. Describe one use of any two rocks you have studied.

A

(a) Marble - statues and sculptures.

(b) Slate - roofing houses.

Geography (8 decks)

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