Earth's structure, plate margins, global atmospheric circulation

Question 1

Inner Core

Answer 1

solid mass of metal
temperatures of up to 5,500

Question 2

Outer core

Answer 2

Liquid mass of iron & metal

Question 3

Mantle

Answer 3

semi- solid magma layer
thickest section

Question 4

Crust (lithosphere)

Answer 4

-Oceanic - thin, dense, can be subducted & destroyed
-Continental - thicker, less dense, cannot be subducted or destroyed

Question 5

Diverging plate margin;
-why?

Answer 5

convection currents, ridge push

Question 6

Diverging plate margin;
-Hazards?

Answer 6

volcanic eruptions

Question 7

Diverging plate margin;
-landforms formed?

Answer 7

new land, ocean ridge

Question 8

Diverging plate margin;
-named example?

Answer 8

Mid-atlantic ridge

Question 9

Conservative plate margin;
-why?

Answer 9

plates moving past each other- different direction or different speeds - convecton currents.

Question 10

Conservative plate margin;
-hazards?

Answer 10

earthquakes

Question 11

Conservative plate margin;
-ant landforms formed?

Answer 11

fault lines

Question 12

Named example?

Answer 12

San-andreas fault line

Question 13

converging;
-Why?

Answer 13

slab pull, convection currents, subduction into magma, plate melts.

Question 14

Converging plate margin;
-hazards?

Answer 14

earthquakes, composite volcanoes

Question 15

Converging plate margin;
-any landforms formed?

Answer 15

ocean trenches, fold mountains

Question 16

Converging plate margin;
-named example?

Answer 16

Nazca plate & South American plate

Question 17

Collision plate margin;
-why?

Answer 17

convection currents

Question 18

Collision plate margin;
-hazards?

Answer 18

earthquakes

Question 19

Collision plate margin;
-any landforms formed?

Answer 19

fold mountains

Question 20

Collision plate margin;
-named example?

Answer 20

Himalayas

Question 21

polar cell in the ________ hemisphere

Answer 21

northern

Question 22

______ cell in the northern hemisphere, below polar cell

Answer 22

Ferrel

Question 23

Hadley in the _______ hemisphere

Answer 23

northern

Question 24

high pressure =

Answer 24

hot deserts

Question 25

low pressure & consistently high insolation =

Answer 25

tropical rainforests

Question 26

low pressure means air is _______

Answer 26

rising

Question 27

high pressure means air is __________

Answer 27

sinking

Question 28

For living world, my case studies are ;

Answer 28

Amazon Rainforest Western Desert

Question 29

an example of a one-way ecosystem we have studied is ;

Answer 29

Reigate Heath

Question 30

Why is biodiversity so high in the tropical rainforest?

Answer 30

few limiting factors; climatic conditions which support high biodiversity such as high levels of sunlight & water year round

Question 31

name two ways plants adapt to the rainforest ecosystem

Answer 31

-buttress roots to provide stability - great height as trees compete for access to sunlight

Question 32

causes of deforestation are;

Answer 32

agriculture logging

Question 33

strategies to manage deforestation sustainably are;

Answer 33

eco-tourism, selective logging, global agreements

Question 34

opportunities of the western desert are;

Answer 34

energy production, agriculture, tourism, mineral extraction

Question 35

challenges of the western desert are;

Answer 35

inaccessibility, water supply, extreme temperatures

Question 36

desertification is....

Answer 36

a process by which land becomes drier & degraded from climate change or human activities, or both

Question 37

name strategies to manage desertification;

Answer 37

water & soil management, tree planting ( the great green wall) , appropriate technology