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Earth's Structure

Dr. Pettigrew - Science Vocabulary Words
Across
The top layer of soil
Hot molten or semifluid rock erupted from a volcano
Rock formed from the cooling and solidification of magma or lave
The result of flat surfaces bending or curving as a result of permanent deformation
Liquefied by heat
A solid material whose atoms, molecules, and ions are arranged in a highly microscopic structure
Any separation in a geologic formation, such as a fault
Rock formed from materials and minerals collecting and forming together
An area in the basin of the Pacific Ocean where a large number of earthquakes and volcanoes occur
The type and quantity of elements found in the soil
The innermost part of the Earth
Also known as shear waves, waves that move through the body as opposed to surface waves
Seismic waves, which are the first waves to appear on a seismograph during an earthquake
Solid rock underneath the loose deposit on top, such as soil
The process of wearing away or changing the appearance or texture of (something) by long exposure to the air
Anywhere on the earth that is covered by seawater
Down
A layer of soil parallel to the soil crust, but has different characteristics form the soil above and below it
The way the light interacts with the surface
A mixture on the surface of the Earth consisting of organic materials, clay, and minerals
A feature that develops as a result of deformation and metamorphism
The soil immediately under the surface soil
Pieces of rock that represent a rock
Rock formed from the transformation of preexisting rock through hear and pressure, that causes a physical or chemical change
A seismic wave that is trapped near the surface of the earth
A fertile soil of clay and sand containing humus
A rigid layer of the Earth's crust that is believed to drift slowly across the surface of the Earth over time
The color of the powder produced when it is dragged across an un-weathered surface
Hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling