Earth Science
Main Parts of Earth
Structure of Earth
Grab Bag
100
There are ______ main branches of Earth Science.
Four
100
A round 3-D object is called a _______
sphere
100
The thinnest layer of the Earth is the _________
Crust
100
Describe what happens to the amount of pressure and the heat as you go deeper into the Earth.
The temperature and heat both increase.
200
This is the study of forces that shape the Earth
Geology
200
Name two things that are part of the lithosphere.
mountains, rock, soil, land under ocean, ground we walk on etc...
200
The thick layer of rock below the crust is the _______
mantle
200
Glaciers are part of which sphere?
hydrosphere
300
This is the study of the Earth's oceans
oceanography
300
Nitrogen, oxygen and other gases make up the _______
atmosphere
300
Which layer of the Earth is liquid?
Outer Core (part of the mantle flows like a thick plastic)
300
Where is the crust the thickest?
under the mountains/continents
400
This is the study of the universe beyond Earth.
astronomy
400
Name three things that are part of the hydrosphere.
lakes, rivers, oceans, streams, springs, glaciers etc...
400
The core is made mostly of ___________
iron
400
What percentage of the Earth's water is salt?
97%
500
This is the study of conditions in the atmosphere
meteorology
500
What does the atmosphere protect the Earth from?
The Sun's harmful UV (ultraviolet) rays
500
2/3 of the mass of Earth is found in the __________
mantle
500
What are two examples of careers under the field of Geology?
soil conservationist, volcanologist, mineralologist
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