The planet we call earth has how many main layers?
What are 4 main layers
What do you call cracks in Earths crust?
What is a fault
Melted rock below earth's surface
What is magma
The theory that explains that continents are constantly moving
What is the continental drift
The layer of the earth we walk on everyday is called the ___________
What is the crust
In which order do the layers of the earth go in when traveling to the center of the earth
The crust, Mantle, Outer core, Inner core
What do you call a violent shaking of earths crust?
What are earthquakes
There are earthquakes and volcaneos along the edge of the pacific ocean. This area is called the
What is the ring of fire
Name 2 kinds of plate tectonics
What are oceanic plates and continental plates
The inner core are made up of these things ________
What are iron and nickle
This layer is farthest from where we stand
What is the inner core
What do you call the point on earth's surface directly above the focus of an earthquake?
What is the epicenter
How do volcanos change Earths landforms?
They form mountains
This is one reason we know that plates move
What are fossils
Mountains are formed by the movement of these
What are tectonic plates
What is the difference between the outer core and the inner core?
The outer core is liquid and the inner core is solid.
What do you call the underground point where the shaking is most violent?
What is the focus
What is magma called once it reaches the surface?
What is lava
Where 2 plates move away from each other
What are diverging boundaries
Tectonic plates float above this layer of the earth
What is the mantle
Why does part of the mantle appear to flow?
Because the temperature is extremely hot
What do you call the shock of energy that are measured to tell us how strong an earthquake is?
What are seismic waves
The steepest of volcanoes is called _______
What is a cinder cone
Where do 2 plates move towards each other?
What is converging boundaries
The solid upper mantle and crust is called this
What is the lithosphere