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Rocks, Minerals and Resources

You may use ANY reference materials, EXCEPT your classmates. This is independent work! 
Across
Naturally occuring, inorganic solid. substance
Rock formed when layers of material settle then harden.
Layer of gas that surrounds the earth
Natural resource that take millions of years for nature to replenish.
A river delta is an example of this. A constructive process
An energy source created by moving air masses
The characteristic manner in which a mineral breaks
Any material that can be used to satisfy a need.
Type of rock that forms from molten (melted) material that cools and hardens.
Natural processes that break down and change rock into soil, sand and other material.
Down
Characteristic way that light reflects off a mineral
Type of rock formed under high pressure and heat.
Natural resource that is replaced or renewed as it is used
Wearing away of earth's surface by the breakdown and removal of rock and soil.
Energy source carried on electromagnetic waves from the Sun to the earth.