What happens to heat and pressure as you get closer to the center of the earth?
It increases
The asthenosphere is made up of what type of material?
Soft and flowing
The thinnest layer on earth is which layer?
The crust
What are the four layers of earth?
The crust, the mantle, the outer core, the inner core
Which is the thickest layer on earth?
The mantle
Why can’t scientist use direct methods to see into the earth?
It is too deep.
The earth is made up of many tectonic plates, they are always said to be ______.
Moving slowly
How would you describe earth?
A peach or an egg
Which two layers of the earth are not solid?
The outer core and the asthenosphere
The outer core and the core are made up primarily of which two types of metals?
Iron and nickel
Is the asthenosphere above or below the lithosphere?
Below
Rock found under the oceanic crust is which type of rock?
Basalt
Rock found under the continental crust is which type of rock?
Granite
The composition of the outer core is_________?
Molten metal
The layer of the earth that has the most pressure is _______.
The inner core
Scientist use what type of waves to see into the earth.
Seismic
Heat that moves from a boiling pot of water to the handle and your hand is called ______.
Conduction
The heat that creates convection currents in the mantle comes from_________.
The inner core
The type of heat transfer that we see when we heat up soup is called _________.
Convection
The type of heat we receive from the sun is called ________.
Radiation
Convection currents are caused by what _________
The differences in density and temperatures.
Radiation heat transfer travels through __________.
Empty space
True or false: Magma that comes from inside the earth is heated by radiation.
False
True or false: The mantle probably has no oxygen in it.
True
In which layer to convection currents occur?
The mantle
Tectonic plates move because of ___________.
Convection currents
When the core heats up molten rock, it will _________
Rise
Radiation heat travels through ________
Empty space
FinalJeopardy
If the earth’s temperature increases 100° for every kilometers into the earth and you travel 2,500 kms, how hot would it get?
250,000°