exams1
Terms
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- mineral
- solid homogeneous inorganic substances occurring in nature having a definite chemical composition
- lava
- rock that in its molten form (as magma) issues from volcanos
- gem
- high in price and is more valuble then a mineral
- sheild volcano
- It's a large, gently sloped volcano.
- oil
- a liquid used in many different things and is mostly "strucked" from mining
- crystal
- a rock formed by the solidification of a substance
- ore
- a metal-bearing mineral valuable enough to be mined
- hypothesis
- an educated guess
- research
- systematic investigation to establish facts
- primary wave
- This wave causes the ground to move in the same direction as the wave is travelling.
- rock
- a substance made out of minerals that have been smashed up and reused
- cinder cone volcano
- a small, steeply sloped volcano that forms from moderately explosive eruptions of pyroclastic material
- igneous rock
- rock formed by the solidification of molten magma
- hot spot
- a lively entertainment spot
- rock cycle
- sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes
- volcano
- a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
- vent
- activity that releases or expresses creative energy or emotion
- sedimentary rock
- rock formed from consolidated clay sediments
- composite volcano
- a volcano made of alternating layers of lava
- metimorphic rock
- Rock formed when another rock is changed by heat and pressure
- conclusion
- the act of making up your mind about something
- sediment
- matter deposited by some natural process
- crater
- a bowl-shaped depression formed by the impact of a meteorite or bomb