The Structure of the Earth (Junior Cert Geography): Flashcards
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Practise the cards
24 cards from this deck
Three main layers of the Earth
Three main layers of the Earth
Crust, mantle, and core
Outermost layer of the Earth
Outermost layer of the Earth
Crust
Material that makes up the crust
Material that makes up the crust
Solid rock
Crust thickness under oceans
Crust thickness under oceans
5-10 km thick
Crust thickness under continents
Crust thickness under continents
30-60 km thick
Layer just beneath the crust
Layer just beneath the crust
Mantle
Hot, partly molten rock in the mantle
Hot, partly molten rock in the mantle
Magma
Maximum temperature in the mantle
Maximum temperature in the mantle
Up to 4,000°C
What do mantle movements cause?
What do mantle movements cause?
Earthquakes and volcanoes
Innermost part of the Earth
Innermost part of the Earth
Core
State of the outer core
State of the outer core
Molten (liquid) metals
Main metals in the outer core
Main metals in the outer core
Iron and nickel
State of the inner core
State of the inner core
Solid
Temperature of the inner core
Temperature of the inner core
Over 5,000°C
Three main layers of Earth
Three main layers of Earth
Crust, mantle, and core
Crust thickness under oceans
Crust thickness under oceans
5-10 km
Crust thickness under continents
Crust thickness under continents
30-60 km
Max temperature in the mantle
Max temperature in the mantle
Up to 4,000°C
Effect of mantle movements on plates
Effect of mantle movements on plates
Cause tectonic plates to move
Two parts of Earth's core
Two parts of Earth's core
Outer core and inner core
Main metals in outer core
Main metals in outer core
Iron and nickel
State of the outer core
State of the outer core
Molten (liquid)
State of the inner core
State of the inner core
Solid
Inner core temperature
Inner core temperature
Over 5,000°C