Geological time, Plate Techtonics, Volcanos, Earth structure, Earthquakes, PPP, Continental drift Flashcards

1
Q

“the eons, eras and periods used by geologists”

A
  1. The period is the basic unit of geological time in which a single type of rock system is formed.
  2. Two or more periods comprise a geological Era.
  3. Two or more Eras form an Eon, the largest division of geologic time.
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2
Q

What are the different layers of the earth

A

The inner core
The outer core
The mantle
The crust

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3
Q

Describe the rock cycle

A

The rock falls off the cliff
Collects at the bottom of the lake
Over time pressure builds up fuses the segments together to form sedimentary rock

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4
Q

What are two different plates

A

African plate and Eurasian plate

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5
Q

What drives the plates apart

A

Convection currents drive the plates apart

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6
Q

What happens when the plates split

A

The ground turns into a valley then a new ocean basin the mature ocean

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7
Q

How tall is mt etna

A

3350 metres

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8
Q

How long can ash fall for after an eruption

A

Days and months

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9
Q

In country’s were there are volcanoes were are farms

A

They are usually on the side of the volcano

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10
Q

True or false did mount etna blow of the side of the volcanoe

A

True

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11
Q

How do tsunamis form

A

An under water earthquake occurs and snap the floor and raises apart of the ocean to cause a tsunami.

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12
Q

When did the biggest Indonesian earthquake happen

A

26th December 2004

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13
Q

What year did the biggest Japanese earthquake happen

A

2004

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14
Q

4 factors that affect climate

A

Latitude affects climate.
Distance from the sea affects climate.
Prevailing winds affect climate.
Relief (height) affects climate.”

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15
Q

How does distance from the sea affect climate

A

Latitude affects climate.
Distance from the sea affects climate.
Prevailing winds affect climate.
Relief (height) affects climate.”

Coastal areas are cooler and wetter than inland areas. …

In the summer, temperatures can be very hot and dry as moisture from the sea evaporates before it reaches the centre of the land mass.

It will bring cool weather

Warm weather if it blows over warm surfaces

Wet weather if it blows over the sea and picks up moisture

Dry weather if they blow over land

Relief (height). Places which are high up and in mountains have lower temperatures and more rainfall than places which are lower down

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16
Q

How does prevailing winds affect climate

A

It will bring cool weather

Warm weather if it blows over warm surfaces

Wet weather if it blows over the sea and picks up moisture

Dry weather if they blow over land

17
Q

How does relief (height) affect climate

A

Relief (height). Places which are high up and in mountains have lower temperatures and more rainfall than places which are lower down