Show:
Eathquakes
Volcanoes
Tectonic Plates
Mountains
100
What year did the great San Francisco Earthquake occur?
1960
100
Which of country has no active volcanoes?
Great Britain
100
Pangea
What name did Wegener give to his proposed single supercontinent?
100
Mt Everest
What is the name of the highest mountain on Earth?
200
What was the magnitude of the great San Francisco earthquake?
7.5
200
What is the bowl shaped part at the top of a volcano called?
Dante's Peak
200
Continental drift
What name did Alfred Wegener give to his theory of horizontal crustal movements?
200
Mount Kilimanjaro
What is the highest mountain in Africa?
300
What is an earthquake?
the movement of the Earth's crust caused by pieces of the crust suddenly shifting at faults, or cracks in the Earth.
300
.What is the hot molten rock that comes out of a volcano called?
Lava
300
Curie point
Iron-rich minerals loose their magnetism when heated above what temperature?
300
Divergent
What kind of boundary forms mountains?
400
What determines that an earthquake is really an aftershock?
Aftershocks are earthquakes. Aftershocks do not have a precise definition, but are less intense than a mainshock and occur in the same area.
400
What do we call a volcano that has not erupted for some time but may erupt again?
Dormant.
400
Scientist who theorized continental drift and other geological terms.
Who is Alfred Wegener?
400
Tectonic Plates
What helps form mountains?
500
Where does the seismograph come from?
The American scientist John Winthrop was one of the first to make scientific studies of earthquakes and is known as the founder of seismology. However, we cannot say that he was the inventor of the seismograph, as it is quite likely that various versions of this "machine" had already been constructed by his time.
500
What do we call a volcano which is erupting all the time?
Active.
500
mantle
What lies directly beneath the crust?
500
5
How many types of mountains are there?