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44 Cards in this Set

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Solar System
The sun and objects that move about it, including planets, moons, and asteroids
Orbit
The path an object makes around a central object, such as a planet around the Sun
Satellite
A body that orbits a larger body
Axis
An imaginary line that runs from the North Pole through earth's center to the south Pole
Rotation
ONe complete spin of Earth on its axis
Revolution
One complete orbit around the sun
Arctic Circle
The line of latitude located at 66.5 degrees morth of the equator
Antartic Circle
the line of latitude located at 66.5 degrees south of the equator
Solstice
The days when the Sun's vertical rays are farthest from the equator
Tropic of Cancer
the lind of latitude that is 23.5 degrees noth of the equator
Tropic of Capricorn
the line of latitude that is 23.5 degrees south of the equator
Equinoxes
the 2 days of the year when the Sun's rays strike the equator directly
Atmosphere
The layer of gases that surrounds Earth
Ozone
a form of oxygen in the atmoshere that helps protect Earth from harmful solar radiation
Water vapor
the gaseous form of water
water cycle
the circulation of water from Earth's surface to the atmosphere and back
Evaporation
the process by which heated water becomes water vapor and rises into the air
condensation
the process by which water changes from a gas into tiny liquid droplets
precipitaion
the process by which water falls back to Earth
Tributary
any smaller stream or river that flows into a larger stream or river
groundwater
the water from rainfall, river, lakes, and melting snow that seeps into the ground.
continental shelf
the gently sloping underwater land surronding each continent
landforms
the shapes on Earth's surface
Plain
a neatly flat dredon Earth's surface
Plateau
an elevated flatland on Eartrh's surface
isthmus
a neck of land connecting 2 larger land areas
Pennisula
land bordered by water on three sides
Plate Tectonics
the theory that Earth's surface is divided into several major, slowly moving plates or pieces
core
the inner, solid part of Earth
Mantle
the liquid layer that surronds Earth's core
Crust
the outer, solid layer of earth
magma
melted rock int the uppermantle of Earth
Lava
magma that has broken through the crush to Earth's surface
Continents
Earth's large landmasses
Subduction
the movement of one of Earth's heavier tectonic plates undernearth a lighter tectonic plate
earthquakes
Sudden, violent movement along a fracture with in Earth's crust
fault
a fractured surface in Earth's crust where a mass of rock is in motion
Pangaea
earth's single, original supercontient
Weathering
the process of breaking rocks into smaller pieces through heat, water, or other means
Erosion
the movement by water,ice, or wind of rocky materials to another location
Alluvialfan
A fan shaped landform create by deposits of sediment at the base of a mountain
Floodplain
a land furmof level groudbui it by sediment depositeklskby stjeja;sdlkf
deltas
landforms created by the deposits of sediment at the mouths of rivers
glaciers
large, slow-moving sheets or rivers of ice