Earth's Interior
the thinnest layer of Earth
crust
property that affected the formation of the Earth's layers
density
Earth's _ protects the planet from dangerous cosmic rays and charged particles from the sun.
geomagnetism
FORCE responsible for earth's formation and shape
gravity
What is the force that is responsible for Earth's formation and shape?
gravity {GOD crated Earth and gravity}
Be prepared to label a diagram
ik *=*
Earth's _ is solid and metallic.
inner core
Earth's core is composed mostly of
iron
Explain the DIFFERENCES between continental crust and oceanic crust
The continental crust is less dense and the oceanic crust is the most dense. Continental crust is under mountains and oceanic crust is under the ocean.
What is the plastic layer within the mantle called?
asthenosphere
flows like a soft plastic
asthenosphere
What his Earth's thinnest layer?
crust
What layer of the Earth is the least dense?
crust
includes soil, sentiments, and rocks
crust
List Earth's layers from least dense to most dense?
crust, mantle. core
Earth's is almost 13,000 km
diameter
What did scientists use to discover that Earth's core has two parts?
earthquake waves
made of iron crystals
inner core
List the Earth's layers from the center to the surface.
inner core, outer core, mantle, crust
How does pressure and temperature change as you move from Earth's crust to its core?
it increases
Is the outer core solid, liquid, or a plastic like substance?
liquid
Scientists group Earth's top two layers, which consist of rigid rock, into a layer they call the____________________________.
lithosphere
What is the crust and uppermost mantle called together?
lithosphere
includes the crust and rigid upper mantle
lithosphere
What is Earth's thickest layer?
mantle
the thickest layer of the Earth
mantle
What direction does a compass needlepoint in because of Earth's magnetosphere?
north
What two types of crust does Earth have?
oceanic crust and continental crust
What covers more than 70% of Earth's surface?
oceans
made of liquid metal
outer core
Name and describe the two parts of the core
outer core; made of liquid inner core; a dense ball of solid iron crystals
the least dense LAYER of the geosphere
outer layer
s the asthenosphere a solid, liquid, or a plastic like substance?
plastic like
What factor is greater at Earth's core than on its surface?
pressure
Think about Earth's layers and how they are structured. Explain whether an apple or peach would make a better model of Earth.
I think an apple would be the best because it has a core that represents the core, the actual apple part that represents the mantle, and the skin which represents the crust better than the peach.
Describe the magnetosphere, and evaluate it's importance for Earth.
The magnetosphere is a barrier type thing around Earth and protects us from Earth's cosmic rays.
Explain how the parts of a hard boiled egg, including the shell, correspond roughly to the Earth's layers
The shell represents the crust, the egg white represents the mantle, the yolk represents the core
Describe how temperature and pressure change within Earth's layers
The temperature and pressure increases the closer you get to the core.
How did the deep mines and wells give clues to the nature of Earth's interior
The temperature of the mines and wells and pressure will increase when it gets deeper
Name the four part of the mantle from top to bottom.
Uppermost mantle asthenosphere upper mantle lower mantle
Items that helped scientists learn about the inside of Earth
samples from deep wells, temperatures in deep mines, waves made by earthquakes
Is the continental crust solid, liquid, or a plastic like substance?
solid
Is the inner core solid, liquid, or a plastic like substance?
solid
Is the lithosphere solid, liquid, or a plastic like substance?
solid
Is the lower mantle solid, liquid, or a plastic like substance?
solid
Is the oceanic crust solid, liquid, or a plastic like substance?
solid
Is the upper mantle solid, liquid, or a plastic like substance?
solid
What caused Earth's layer's to form how they formed?
the different amount density in the materials
