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Layers of the Earth Review Do not depend on this as your only form of review…not all information is contained in the s PowerPoint Presentation
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Layers of the Earth Review Do not depend on this as your only form of review…not all information is contained in the slide show!. The thinnest layer of the Earth is____________. . The Crust. The crust is made of _________________ . Rock, Sand and Soil.

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slide1
Layers of the Earth ReviewDo not depend on this as your only form of review…not all information is contained in the slide show!
ocean crust is much denser than continental crust however it is also much than continental crust
Ocean crust is much denser than continental crust, however it is also much ____________ than continental crust.

thinner

slide9
The crust that is found on the continents and at the beginning of the oceans (the continental shelf) is ________________.

Continental Crust

continental crust is much thicker than oceanic crust however it is
Continental crust is much thicker than oceanic crust, however it is ____________

less dense

how do scientists study the earth
How do scientists study the Earth?

They use indirect observation

slide15
The instrument used to record the two types of waves that penetrate the Earth’s interior and then return to the surface is a __________.

seismograph

two types of seismic waves are and
Two types of seismic waves are _____________ and _____________.

S-waves

S-waves

P-waves

the temperature of the inner core ranges from about
The temperature of the inner core ranges from about

7000 degrees fahreinheit to 9000 degrees fahreinheit

a very thin layer called the separates the mantle and the core
A very thin layer called the __________________separates the mantle and the core.

Gutenberg Discontinuity

and increase as you go deeper into the mantle
____________,__________ and_________ increase as you go deeper into the mantle.

pressure, temperature and density

geologists have used two main types of evidence to learn about earth s interior and
Geologists have used two main types of evidence to learn about Earth’s interior: __________ and ____________________.

direct evidence

indirect evidence

rocks are classified as either or rocks
Rocks are classified as either ___________, ______________ or ___________________ rocks.

sedimentary

igneous

metamorphic

scientists think that movements in the liquid outer core create earth s that surrounds the planet
Scientists think that movements in the liquid outer core create Earth’s ___________ that surrounds the planet.

magnetic field