Autumn term 1 - spring term 1 GEO

Question 1

Plate boundary

Answer 1

where edges of 2 plates touch

Question 2

tectonic

Answer 2

pieces of the earth’s crust

Question 3

crust

Answer 3

the cold hard outer layer of the earth

Question 4

core

Answer 4

the center of the earth

Question 5

continental drift

Answer 5

the slow movement of earths plates

Question 6

oceanic crust

Answer 6

earths crust located under the sea.It is 100km deep.

Question 7

continental crust

Answer 7

200km deep and has a temperature of 20 defrees celcius

Question 8

ridge push

Answer 8

when the force of gravity moves a plate downward and away from a ridge

Question 9

Explain why the oceanic plate is pulled down under the continental plate

Answer 9

The oceanic plate is pulled down under the continental plate because it is more dense/heavier ,so gravity pulls it down,Also the continental plate is less dense.

Question 10

volcano

Answer 10

An opening in the earth’s crust through which lava,volcanic ash, and gases escape

Question 11

earthquake

Answer 11

sudden ground shaking caused by movement in the earth’s crust

Question 12

mountain belt

Answer 12

A long chain of mountains

Question 13

mid-oceanic ridge

Answer 13

A continuous chain of volcanoes either side of speaking

Question 14

oceanic trench

Answer 14

A very deep narrow valley on the ocean floor

Question 15

divergent/constructive

transform/conservative

convergent/destructive

Answer 15

Where plates move apart allowing molten rock to rise from the mantle

where plates move past each other in opposite direction.

Where a plate moves towards or under another plate.

Question 16

Pangea

Answer 16

In the Pangea, all the continents were connected and it was one ‘super-continent’. After(today) all the continents are separate and is broken into 7 continents

Question 17

What was Alfred Wegener’s theory about continental drift?

Answer 17

Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes smashing through oceans and into each other. He called this movement continental drift.

Question 18

seismic wave

epicentre

focus

Answer 18

The waves of energy caused by the sudden movement of the plates

The area on the surface directly above the earthquake

The point beneath Earth’s surface where rock breaks under stress and causes an earthquake

Question 19

composite volcano

Answer 19

Cone shaped volcano built up of many layers

Question 20

magma

Answer 20

semi molten rock under the crust

Question 21

lava

Answer 21

liquid rock erupting from a volcano

Question 22

shield volcano

Answer 22

a broad domed volcano, with gently sloping sides. Formed by fluid lava

Question 23

dormant volcano

Answer 23

not erupting at he moment but could still erupt

Question 24

extinct volcano

Answer 24

no eruptions for 10,000 yrs and not expected to erupt again

Question 25

Berlin conference

Answer 25

Where 14 European countries met in 1884-5 to divide the continent of Africa among themselves

Question 26

Colonialism

Answer 26

Where an area is ruled by a foreign power

Question 27

conflict diamonds

Answer 27

precious stones found and sold through illegal means

Question 28

desertification

Answer 28

When land becomes drier and degraded

Question 29

development

Answer 29

The process of change by which people reach an acceptable standard of living or quality of life.

Question 30

great rift valley

Answer 30

A part of East Africa formed by tectonic activity

Question 31

imperialist

Answer 31

imposing influence through military force,economic dominance or diplomacy

Question 32

King Leopold II

Answer 32

Second king of Belgium from 1865-1909 who controlled the Congo free state

Question 33

migrate

Answer 33

To move from one place to another in order to live there

Question 34

stereotype

Answer 34

A widely held but fixed and oversimplified image or idea particular type of person or thing

Question 35

Climate zones

Answer 35

An area that has its own distinct climate.They also have their own type of vegetation and wildlife

Question 36

climate

Answer 36

long term average temperature and precipitation

Question 37

climate change

Answer 37

a long term change in the earth's climate

Question 38

polar

Answer 38

very cold temperatures and some precipitation that falls as snow

Question 39

temperate

Answer 39

mild temperatures and moderate rainfall

Question 40

tropical

Answer 40

High temperatures and lots of rain

Question 41

warm/subtropical

Answer 41

warm with low rainfall

Question 42

greenhouse gas

Answer 42

A gas that traps solar radiation/heat on earth