Show:
Layer of the Earth
Plate Tectonics
Scientists
Continents
Earthquakes and Volcanoes
100
What are the three main layers of Earth?
What is the crust, mantle, and core.
100
How many major plates are there on Earth?
What is eight major plates.
100
What are the scientists referred to who study the Earth's crust?
What is a geologist.
100
What is the name of the theory of which the continents move?
What is the continental drift theory.
100
What is similar between an earthquake and volcano?
What is they are usually found in the same place.
200
Which layer of Earth can be separated into two layers, known as inner and outer?
What is the core.
200
What is it called when continents and plates move?
What is continental drift.
200
Which scientist came up with the theory of continental drift?
What is Alfred Wegener.
200
What name was given to the supercontinent?
What is Pangaea.
200
What is molten rock that is found beneath the Earth?
What is magma.
300
Which layer do we live on?
What is the crust.
300
What is the term for floating plates spreading apart?
What is spreading center.
300
Scientists used clues and evidence of _____ to support the theory of continental drift?
What is fossils.
300
How long ago was it believed that the continents fit together like a puzzle?
What is about 250 million years ago.
300
What are the two main types of volcanoes found on Earth?
What is shield and composite volcanoes.
400
Which layer of rock is the thickest?
What is the mantle.
400
When plates move together, it is known as the?
What is the subduction zone.
400
Alfred Wegener believed that the continents moved by _____.
What is floating.
400
At which time period did Pangaea begin to break into separate continents?
What is the Jurassic time period.
400
What are the fractures of Earth's crust called?
What is faults.
500
Which layer of Earth is the hottest layer?
What is the inner core.
500
When plates are forced together and one usually goes under the other is known as?
What is the zone of convergence.
500
What is the name of the freshwater reptile fossil that Wegener discovered in South America and Africa?
What is the mesosaurs.
500
What name did scientists give the process of the continents drifting apart?
What is rifting.
500
When rocks of a fault slips suddenly, energy ways travel through that rock causing?
What is an earthquake.