Mountains Flashcards

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0
Q

What’s the definition for Extreme environment?

A

An extreme environment is one where it is hard for people (or other forms of life) to survive.

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1
Q

Name 3 different mountain ranges.

A
  1. Himalayas
  2. Andes
  3. Alps
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2
Q

What’s the definition for Crevasse?

A

A crack or hole within the ice, often covered by loose snow on top.

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3
Q

What’s the definition for plate boundary?

A

Where two tectonic plates meet.

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4
Q

What is the definition for altitude?

A

The height in the sky, at higher altitudes it is colder and there is less oxygen.

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5
Q

What is the definition for precipitation?

A

Describes all the forms of water falling from the sky e.g rain, sleet, hail and snow.

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6
Q

What is definition for fold mountains?

A

Created when plate boundaries collide. These take place on collision and destructive plate boundaries e.g the Himalayas.

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7
Q

What is the definition of frost bite?

A

Frost bite is a medical condition where skin is damaged because of extreme cold temperatures.
Frostbite is most likely to happen in body parts farthest from the heart e.g toes and fingers.

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8
Q

What is the definition for glacier?

A

A glacier is only made of ice and it flows very very slowly.
A glacier is made up when lots of snow gets squashed into ice and then slides down a hill. Glaciers are really big and make massive impacts on the landscape.l

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9
Q

What is the definition of Accumulation Zone?

A

The start or top of a glacier.

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10
Q

What’s the definition of Ablation zone?

A

The end of the glacier. This may advance or retreat depending on conditions.

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11
Q

What is the definition of freeze-thaw?

A

Water gets into the cracks in the crack, as it turns to ice, it expands putting pressure on the rock until it breaks off.

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12
Q

What is the definition of plucking?

A

Ice freezes sticking to the rock, when the ice moves away due to gravity it plucks rock with it.

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13
Q

What is the definition of abrasion?

A

Material carried by the glacier acts like sandpaper on a giant scale, rubbing against the sides and floor of the valley.

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14
Q

What is the definition of a corrie?

A

Deep rounded hollows with a steep back wall and a rock floor.

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15
Q

What’s the definition of an arête?

A

A narrow knife -edged ridge, caused by corries on either sides.

16
Q

What’s the definition of a pyramidal peak?

A

Formed when three or more corries cut back into the same mountains e.g Everest or the Matterhorn.

17
Q

What’s the definition of glacial trough (u-shaped valleys)?

A

When a glacier moves down a V-shaped valley it erodes the sides to form a u-shaped glacial trough with a flat floor.

18
Q

What is the definition of Truncated Spurs?

A

Formed when interlocking Spurs are removed by abrasion by glaciers to leave cliff like features.

19
Q

What is the definition of hanging valleys?

A

Result from the differences in the rate of erosion between glaciers in the main and in the tributary valleys.

20
Q

What is the definition of Animal adaptation?

A

Through the process of evolution animals/plants adapt to their local environment.

21
Q

Can you name an extreme environment?

A
  1. Desert

2. Mountains

22
Q

What is the earths structure made up of?

A
  1. Inner core
  2. Outer core
  3. Mantle
  4. Crust
23
Q

What is subduction?

A

When the heavier Oceanic plate goes underneath the lighter continental plate forcing the continental plate up.

24
Q

What does a Peruvian porter do?

A

A Peruvian porter carries luggage and supplies up and down Machu Picchu. They do this to earn 30 euros every 4 weeks for their family’s.

25
Q

How are the Peruvian porters treated harshly?

A
  • They are given bags heavier then what their supposed to carry.
  • They don’t have anywhere nice to sleep.
  • They are not well equipped so get medical problems because of their job.
26
Q

What will be the long term effects on the Peruvian Porters if they continue to carry heavy weights?

A

Medical problems
•Back ache
•Crooked Back