Volcanoes
What is molten rock called?
Magma or Lava
This is the continent where we live.
Asia
What plate boundary causes the most often and violent earthquakes?
Lateral Sliding or Conservative
What is between the upper and lower mantle?
The Transition Zone
These imaginary lines run east and west on a globe.
What is lines of latitude?
What is the name of a volcano that has had no volcanic activity for 10,000 years?
Extinct volcano
This continent covers the South Pole.
What is Antarctica?
Where do the earthquakes start?
The Focus
What temperature is the inner core?
5,000 - 6,000 oC
These imaginary lines run north and south on a globe.
What is lines of longitude?
What is it called when one plate is pushed under another?
Subduction
This is the largest continent on earth.
What is Asia?
What is the epicentre?
On the surface directly above the focus where the earthquake starts
What is the inner core made of?
Iron and Nickel
The equator is at this degree latitude.
What is 0 degrees?
What percentage of volcanoes are on the ring of fire?
75%
This continent is south of Europe.
What is Africa?
What percentage of earthquakes occur along the ring of fire?
90%
What is the composition and thickness of oceanic crust?
8km made up of iron, oxygen, silicon, magnesium and aluminium
This imaginary line is at 0 degrees longitude.
What is the Prime Meridian?
What are the 2 names for the main plate boundary that causes volcanoes?
Destructive and convergent
These are all seven continents.
What are North America, South America, Europe, Asia, Africa, Australia, and Antarctica?
The earthquake is the...
Seismic Waves
What is the composition and thickness of continental crust?
8km - 70km, made up of granite, sedimentary rocks and metamorphic rocks.
This is an example of:
036,762
A 6-figure Grid Reference