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23 Cards in this Set
- Front
- Back
Asthenosphere |
A subdivision of the mantle situated below the lithosphere. This zone of weak material exist below a depth of 100 km. The rock within this zone is easily deformed. AKA low-velocity zone |
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Astronomy |
The scientific study of the universe it includes the observation and interpretation of celestial bodies and phenomena. |
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Atmosphere |
The gaseous portion of a planet; the planet's envelope of air. One of the traditional subdivisions of Earth's physical environment
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Biosphere |
The totality of life on Earth; the parts of the solid Earth, hydrosphere, and atmosphere in which living organisms can be found. |
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Core |
The innermost layer of Earth,located beneath the mantle. The core is divided into an outer core and an inner core |
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Crust |
The very thin outermost layer of Earth. |
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Earth Science |
The name for all the sciences collectively seek to understand Earth. |
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Environment |
Everything that surrounds and influences an organism |
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Geology |
The science that examines Earth, its form and composition, and the changes it has undergone and is undergoing |
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Geosphere |
The solid Earth, the largest of Earth's four major spheres |
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Hydrosphere |
all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
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Hypothesis |
A tentative explanation that is tested to determine whether it is valid. |
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Inner Core |
the solid innermost layer of earth, about 1300 kilometers (800 miles) in radius. |
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Lithospehere |
The rigid outer layer of Earth, including the crust and upper mantle. |
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Lower Mantle |
The part of the mantle that extends from the core-mantle boundary to a depth of 600 kilometers (400 miles). |
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Mantle |
The 2900-kilometer-(1800-mile-) thick layer of earth below the crust. |
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Meterology |
The scientific study of the atmosphere and atmospheric phenomena; study of weather and climate. |
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Nebular Theory |
The basic idea that the Sun and planets formed from the same cloud of gas and dust in interstellar space. |
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Oceanology |
The scientific study of the oceans and oceanic phenomena. |
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Outer Core |
A layer beneath the mantle about 2200 kilometers (1364 miles) thick that has the properties of a liquid. |
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Physical Environment |
The part of the environment that encompasses water, air,soil, and rock, as well as conditions such as temperature, humidity, and sunlight. |
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Prostosar |
A collapsing cloud of gas and dust detained to become a star. |
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Theory |
A well-tested and widely accepted view that explains certain observable facts. |