Earth's Interior - I-Science
Lithosphere
This combination layer includes the crust and uppermost part of the mantle.
Rock samples, temperature and pressure
What are some examples of direct evidence about Earth's interior?
The deeper into Earth one goes, temperature and pressure increase.
What are two main characteristics that have been learned from studying deep wells and deep mines?
Earth is made of many layers.
What have scientists learned about Earth's structure from earthquake waves?
Earthquake waves
What is an example of Indirect evidence about Earth's interior?
Granite, less
Continental crust is made of ________________ and is _____________ dense than Oceanic crust.
Pressure
Deep in the inner core iron is hot enough to be melted. Only the tremendous ________________ keeps the rock solid
Crust, mantle, outer core, inner core
Name four main layers of Earth from outside to the center
Uppermost, asthenosphere, upper and lower mantle
Name the four parts of the mantle from top to bottom.
liquid, solid
The outer core is ____________, while the inner core is __________.
less dense
The upper layers of Earth are ______________ dense than the ones below because they "float" on top of the other layers.
mass, volume
Density is the measure of how much ___________ is in a certain amount of ________________.
less
If a substance "floats" on top of other materials, it is ____________dense than those materials.
more
If a substance sinks to the bottom of other materials, it is _______________ dense than those materials.
Basalt, more
Oceanic crust is made of ________________ and is _____________ dense than continental crust.
Plastic
Some hot rock in the asthenosphere flows very slowly. Scientists use the word ____________ to describe rocks that flow this way.
one
The Kola Well, the deepest well on Earth, extends less than _____ percent of the way to the center of the earth.
more
The deeper layers of Earth are ____________ dense than the ones above because they "sank" to the bottom or center of the Earth.
