Earth materials and processes Crossword

The way a mineral reflects light
A break in a mineral with uneven, rough, or jagged surfaces
The ratio of a mineral's weight compared with the weight of an equal volume of water
Highly priced minerals, they are rare and beautiful
The measure of energy released during an earthquake
This occurs when wet soil acts more like a liquid during an earthquake
seismic sea wave that begins over an earthquake focus and can be highly destructive when it crashes on shore
An alternate energy source produced from atomic reactions
Energy from the sun
When a large number of windmills are placed in one area for the purpose of generating electricity
energy derived from burning organic material such as wood, alcohol, and garbage
A deposit of useful minerals
Deposits in which a mineral or minerals exist in large enough amounts to be mined at a profit
Using old materials to make new ones
Means "all land"
Theory that Harry Hess proposed
Theory that Earth's crust and part of the upper mantle are broken into sections
Sections of Earth's crust and upper mantle
The cycle of heating, rising, cooling, and sinking
Vibrations produced by the breaking of rock
Surfaces that rocks move alone when the break
Generated by an earthquake travel through Earth
Point where energy release first occurs in an earthquake
An opening in Earth that erupts gases, ash, and lava.
An opening in the volcano that lava flows out.
The steep walled depression around a volcano's vent.
Areas at the boundary between earth's mantle and core that are unusually hot.
Bits of rock or solidified lava dropped from the air.
When cycle of lava and tephra is repeated over and over in alternating layers.
Magma that is forced into a crack that cuts across rock layers and hardens.