The layer of gas surrounding a planet that is held in place by gravity

The sum of all living matter on Earth

The thin, solid, outermost layer of Earth; is either continental (landmasses) or oceanic (ocean floors)

Portion of the system of Earth that includes Earth’s interior, rocks and minerals, landforms, and the processes that shape Earth’s surface

All the water on Earth’s surface; includes all water sources above and below the surface

The sphere of solid nickel and iron at the center of Earth; surrounded by the liquid outer core

The solid layer of Earth between the crust and the core; made of dense silicates, convection here moves tectonic plates

The outer layer of Earth’s core; surrounds the inner core and is made of liquid nickel and iron

The solid layer with plasticity in the upper mantle that is located just below the lithosphere; lithospheric plates “float” and move on this layer

The types, quantities, and arrangements of elements that make up a substance

Heat transfer caused by the rising of hotter, less dense fluids and the falling of cooler, denser fluids

The amount of matter in a given space or volume

The divisions of the composition of Earth determined by either chemical composition or the physical state of matter

The cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates

Force exerted on matter through contact with other matter; affects melting and boiling points

Distinct forms of matter known in everyday experience: solid, liquid, and gas; also referred to as phases

Huge piece of crust that slowly moves on the upper part of the mantle

Average kinetic energy of all the particles in a material; measured by a thermometer in degrees (usually degrees Celsius or degrees Fahrenheit)

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Earth's Layers

7th Earth Science

Term	Definition
Atmosphere	The layer of gas surrounding a planet that is held in place by gravity
Biosphere	The sum of all living matter on Earth
Crust	The thin, solid, outermost layer of Earth; is either continental (landmasses) or oceanic (ocean floors)
Geosphere	Portion of the system of Earth that includes Earth’s interior, rocks and minerals, landforms, and the processes that shape Earth’s surface
Hydrosphere	All the water on Earth’s surface; includes all water sources above and below the surface
Inner Core	The sphere of solid nickel and iron at the center of Earth; surrounded by the liquid outer core
Mantle	The solid layer of Earth between the crust and the core; made of dense silicates, convection here moves tectonic plates
Outer Core	The outer layer of Earth’s core; surrounds the inner core and is made of liquid nickel and iron
Asthenosphere	The solid layer with plasticity in the upper mantle that is located just below the lithosphere; lithospheric plates “float” and move on this layer
Chemical Composition	The types, quantities, and arrangements of elements that make up a substance
Convection	Heat transfer caused by the rising of hotter, less dense fluids and the falling of cooler, denser fluids
Density	The amount of matter in a given space or volume
Earth’s Layers	The divisions of the composition of Earth determined by either chemical composition or the physical state of matter
Lithosphere	The cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates
Plasticity
Pressure	Force exerted on matter through contact with other matter; affects melting and boiling points
States of Matter	Distinct forms of matter known in everyday experience: solid, liquid, and gas; also referred to as phases
Tectonic Plate	Huge piece of crust that slowly moves on the upper part of the mantle
Temperature	Average kinetic energy of all the particles in a material; measured by a thermometer in degrees (usually degrees Celsius or degrees Fahrenheit)

Created by: user-1930751

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