Geography Junior Cert Flashcards
What is the name of all the continents connected as one big landmass
Pangea
Label the earths crust
Done
What is the crust
The thin out layer of the earth made up of solid rock
What is the mantle
Found underneath the crust. Consists of magma. It moves around in the form of very slow currents
What is the plate
A large slab of the earths crust
What is the outer core
Consists mostly of molten
What is the inner core
The solid centre of the earth. Temperature up to 6,000 degrees
Label the volcano
Done
Name a volcano you have studied
Eyjafjallajokull Volcano in Iceland
Name two positive social impacts of the volcano
- Reduced unemployment from tourism
- Increased tourism by 1.3 million to the country
Name two positive economic impact from the volcano
- Generates income for the local workers at the tourism centre
- Fertile soil from the nutrients from lava and ash
Name two negative social impacts from the volcano
Contaminated water and evacuation of 500 local famers and their families
Name two negative economic impacts
- Travel chaos - over eight days 100,000 flights to and from Europe were cancelled this cost the airline €145 million a day
- Loss of earnings - fresh produce of vegetables fruit snd flowers could not be exported to Europe because of flights being cancelled
What is an earthquake
An earthquake is the sudden shaking of the earth caused by tho movement of earths crust
Label the earthquake
Done
what is the focus
The place where the earthquake begins
What happens when an earthquake occurs under the sea
It can trigger a tsunami
What is a seismograph used fot
The instrument used to measure and record an earthquake how long it lasted
What is a moment magnitude scale used for
Is used to measure the magnitude of an earthquake
Name an earthquake and information about it
Nepal earthquake 2015 a 7.8 earthquake was recorded on the moment magnitude scale 80km away from the Nepal capital city
What were the social impacts of the volcano you studied
- Just under 10,000 people died
- Electricity and water supplies were damaged
- Up to 90% of clinics and schools in some areas were left unusable
What were the economic impacts of the volcano
- The cost of damage was almost 9 billion
- 1 million children were left without school to attend
- 3.7 million people needed emergency aid
