Two plates move apart from each other, can cause sea-floor spreading, volcanoes, and earthquakes.
A tremor of the earth's surface.
The total or partial obscuring of one celestial body by another.
The part of the Earth's surface directly above the focus of an earthquake.
Process in which the surface of the Earth is worm away, it is caused by flowing water and wind.
To fracture so as to produce a geologic fault.
Causing rock strata to undergo bending or curvature.
Remnant, impression, or trace of an organism preserved in Earth's crust.
*Oil *Coal *Natural Gas
Any of the very large groups of stars and associated matter that are found throughout the universe.
To subject to glacial action in which a large body of ice moves slowly down a slope or valley, or spreads outward on a land surface.
A "water volcano", an erupting spring characterized by intermittent discharge of water ejected turbulently and accompanied by steam.
All the water on Earth's surface, 70% of Earth's surface is covered by oceans.
Rock formed from cooled magma or lava. Granite
Distance north or south of the equator.
Law of Superposition
Law that states the oldest layers of rock are at the bottom, method for dating rocks.
(ly) unit of distance equal to the distane light travels in one year
The solid part of a celestial body (such as Earth), specifically, the outer part of the solid Earth composed of rock essentially like that exposed at the surface.
Molten rock material within the Earth from which igneous rock results by cooling.
Periods of time in which there was a reversal in direction of the Earth's magnetic field.
The part of the interior of a terrestrial planet, especially the Earth, that lies beneath the lithosphere and above the central core.
Rocks formed from other rocks as a result of heat, pressure, or chemical processes. Slate
One of a large number of celestial bodies of various size that appear as meteors when they enter Earth's atmosphere.
The study of the atmosphere and focusing on weather processes and weather forecasting.
A solid homogeneous crystalline chemical element or compound that results from the inorganic processes of nature.
Large cloud of dust and gas where stars begin and end their lives.
A long, narrow, deep depression in the ocean bed.
Method used to date rocks or fossils by measuring the decay rate or half-life of radioactive substances, an absolute type of dating.
Seasons occur due to the yearly revolution of the Earth around the Sun and the tilt of the Earth's axis relative to the plane of revolution.
Rocks formed from compressed or cemented deposits of sediment. Sandstone
The sun and all the objects that orbit it.
Thinner crust is pushed under denser crust to form trenches, volcanoes, and can cause earthquakes.
Theory of Continental Drift
At one time all continents were part of one giant land mass and over time "drifted" apart.
Theory of Plate Tectonics
The lithosphere (crust) is divided into plates and moves along the asthenosphere.
The alternate rising and falling of the surface of the ocean and water bodies (such as gulfs and bays) connected with the ocean that occurs usually twice a day, and is caused by the gravitational attraction of the sun and moon occurring unequally on different parts of the Earth.
Plates grind past each other in a horizontal direction, can cause faults and earthquakes.
To cause (a portion of Earth's surface) to rise above adjacent areas.
Empty of all matter, including gas.
An opening in earth's crust where magma has reached the surface.
The state of the atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness.
To subject to the action of the elements.
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