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What is the Layer of gases surrounding Earth?
Atmosphere
What sphere has to do with wildlife?
Biosphere
What sphere has to do with frozen water?
Cryosphere
What is earth's outer core made of?
Liquid Iron and Nickel
How many layers of the earth are there?
3 - crust mantle and core
How thick is the inner core?
750 miles thick
What is earth’s core made out of?
Iron and Nickel
Is Earth a perfect sphere?
No, it is flat at the poles.
What are the five main systems of the earth sometimes called the spheres?
The biosphere,cryosphere,geosphere,atmosphere, and hydrosphere.
What is the geosphere?
Earth’s entire solid body Continental and oceanic crust, mantle and core Largest system
What is the Cryosphere?
Frozen water The cryosphere includes glaciers, ice caps, ice sheets, sea ice, snow cover, and frozen ground (permafrost) Approximately 68% of Earth's freshwater
What is the Biosphere?
All living things Millions of different living organisms All life on Earth
5 kingdoms
Ex. animals, plants, fungi, bacteria, protists
What are layers to our atmosphere
Troposphere Stratosphere Mesosphere Thermosphere Exosphere
How do geologists study earth’s interior?
Seismology Volcanic Insights Composition & Structure of Rocks Meteorite Clues
what are the three layers of the earth
crust, mantle and core
