Geo revision Flashcards
Teach
Which way do destructive plates move
Against each other and one sinks and turns into new magma
Which way do conservative plates move
In opposing directions or the same way but at different rates
Which way do constructive plates move
Away from each other
Which way do collision plates move
Against each other and the pressure builds making fold mountains
Which plates cause earthquakes
Conservatives
Which plates cause volcanoes
Constructive
How do convection currents work
Convection currents are created by the uneven heating of fluid liquid or gas, which creates the current. The less dense material rises it cools and sinks
True or false?
Continental drift destroyed Pangea
True
True or false? hazards do not pose any danger to humans
False?
Hazards pose danger to humankind
True or false?
The Ring of Fire is famous for its earthquakes.
False
It is famous for its volcanoes
Is the Ring of fire in the Pacific Ocean or the Mediterranean ocean?
It is in the Pacific Ocean following some boundaries of continental plates
Can lava reach speeds up to 50 km/h?
Yes
Does lava oppose a bigger threat to property or people?
Property because lava destroys everything in its path and properties cannot run away from the danger
Is pyroclastic flow a mix of hot gas and ash?
Yes
Does pyroclastic flow pose more threat to property or people?
Both because pyroclastic flow incinerates everything in its path reaching heat to 100°C