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Earth-Moon-Sun System
Ms. Stock
19
Science
Undergraduate 3
06/17/2008

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Cards

Term
Sphere[image]
Definition

A round object, 3-D object

Term
Gravity
Definition
is the attractive force between two objects that depends on the masses of the objects and the distance between them.
Term
Polar Wandering
Definition
the slow movement of the Earth's magnetic field.
Term
Magnetosphere[image]
Definition
the region within the Earth's magnetic field
Term
Aurora Borealis[image]
Definition
the colored lights seen in the skies around the North Pole caused by the charged particles and atoms being collide
Term
Aurora Australis[image]
Definition
the colored lights seen in the skies around the South Pole caused by the charged particles and atoms being collide
Term
Ellipse[image]
Definition
it is an elongated shape and has a closed curve with two foci
Term
Babylonians[image]
Definition
somebody who lived in ancient Babylonia time
Term
Rotation[image]
Definition
is the spinning of Earth on its axis
Term
Revolution[image]
Definition
is the motion of Earth in its orbit around the Sun
Term
Ecliptic[image]
Definition
the path of the Sun during the sidereal year; a plane around Earth's orbit around the Sun
Term
Tide[image]
Definition
the rise and fall in sea level caused by gravitate of the Sun and Moon
Term
Waxing Phase[image]
Definition
after a new moon, the lighted portion that we see appears larger each night
Term
Waning Phase[image]
Definition
after a full moon, the lighted portion that we see begins to appear smaller
Term
Solar Eclipse[image]
Definition
happens when the Moon moves directly between the Sun and Earth and casts a shadow on part of Earth
Term
Lunar Eclipse[image]
Definition
Earth's shadow falls on the Moon
Term
Maria[image]
Definition
the dark colored, flat regions on the Moon's surface
Term
Regolith[image]
Definition
the accumulation of debris left by the impacts on the Moon
Term
Seismographs[image]
Definition
an instrument that detects the presence of an earthquake and measures and records its magnitude
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