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23 Cards in this Set

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  • 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

Astronomy

The scientific study of the universe it includes the observation and interpretation of celestial bodies and phenomena.

Atmosphere

The gaseous portion of a planet; the planet's envelope of air. One of the traditional subdivisions of Earth's physical environment


Biosphere

The totality of life on Earth; the parts of the solid Earth, hydrosphere, and atmosphere in which living organisms can be found.

Core

The innermost layer of Earth,located beneath the mantle. The core is divided into an outer core and an inner core

Crust

The very thin outermost layer of Earth.

Earth Science

The name for all the sciences collectively seek to understand Earth.

Environment

Everything that surrounds and influences an organism

Geology

The science that examines Earth, its form and composition, and the changes it has undergone and is undergoing



Geosphere

The solid Earth, the largest of Earth's four major spheres

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.

Hypothesis

A tentative explanation that is tested to determine whether it is valid.

Inner Core

the solid innermost layer of earth, about 1300 kilometers (800 miles) in radius.

Lithospehere

The rigid outer layer of Earth, including the crust and upper mantle.

Lower Mantle

The part of the mantle that extends from the core-mantle boundary to a depth of 600 kilometers (400 miles).

Mantle

The 2900-kilometer-(1800-mile-) thick layer of earth below the crust.

Meterology

The scientific study of the atmosphere and atmospheric phenomena; study of weather and climate.

Nebular Theory

The basic idea that the Sun and planets formed from the same cloud of gas and dust in interstellar space.

Oceanology

The scientific study of the oceans and oceanic phenomena.

Outer Core

A layer beneath the mantle about 2200 kilometers (1364 miles) thick that has the properties of a liquid.

Physical Environment

The part of the environment that encompasses water, air,soil, and rock, as well as conditions such as temperature, humidity, and sunlight.

Prostosar

A collapsing cloud of gas and dust detained to become a star.

Theory

A well-tested and widely accepted view that explains certain observable facts.