Structure of the Earth
Name the four main layers of the Earth's structure?
Crust, mantle, outer core, inner core
What is the name of the molten (melted) rock that comes out of a volcano?
Lava
The Earth's crust is made up of smaller pieces that sit on top of the mantle. Scientists call these pieces....
tectonic plates
What is the outermost layer of the Earth called?
Crust
What do you call a cone-shaped mountain that sends out lava?
What is the sudden movement of the Earth's crust called?
An earthquake
What layer of the Earth is made of solid rock that can flow slowly over time?
Mantle
Where are volcanoes typically found on Earth?
Along the edges (boundaries) of the tectonic plates (where there are breaks in the Earth's crust)
True or false: tectonic plates are always moving
True
In which layer of the Earth's structure is the Earth's magnetic field created?
Outer core (liquid iron and nickel)
A chain of volcanoes surrounds the Pacific Ocean. Because the volcanoes frequently erupt in fiery explosions, the region is known as...
the Ring of Fire
True or false: Earthquake is a natural disaster, which can be stopped
False - earthquakes cannot be stopped
This layer has temperature similar to that on the surface of the Sun
Inner core (over 6000 degrees C)
These scientists study volcanoes.
Volcanologists
Who are seismologists?
Scientists who study the movement of the Earth's plates.