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24 Cards in this Set
- Front
- Back
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igneous rock
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a rock formed when melted rock material cools and hardens
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metamorphic rock
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a rock formed under heat and pressure from another kind of rock
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sedimentary rock
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a rock made of bits of matter joined together
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ways to identify minerals
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1. streak ; 2. hardness; 3. texture; 4. cleavage; 5. luster
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forces that act on the crust
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1. tension (stretches); 2. compression (squeezes); 3. shear (twists or tears)
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moōn
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weathering and erosion as it pertains to the moon
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inertia
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the tendency of a moving object to keep moving in a straight line or of any object to resist a change in motion
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planet
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any of the 9 objects that travel around the sun and shine by reflecting its light
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fault
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a crack in earth's crust whose sides show evidence of motion
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gem
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a mineral valued for being rare and beautiful
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magma
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hot molten rock deep below Earth's surface
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ore
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a mineral containing a useful substance
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meteorite
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a chunk of rock from space that strikes the surface of Earth or the moon
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crust
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the rocky surface that makes up the top of the lithosphere; includes the continents and the ocean floor
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fossils
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any remains or imprint of living things of the past
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3 types of rock and how they are formed
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1. igneous; 2. metamorphic; 3. sedimentary
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velocity
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the speed and direction of a moving object
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speed
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how fast an objects' position changes with time at any given moment; distance divided by time
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acceleration
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change in velocity with respect to time (going faster)
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deceleration
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when a force causes the speed of an object to decrease
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force
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a push or pull exerted by one object on another causing a change in motion
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friction
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a force that opposes the motion of one object moving past another
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Sir Isaac Newton
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published a complete description of the concept of inertia
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Newton's First Law of Motion
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Objects at rest remain at rest and objects traveling at a steady rate in a straight line continue that way until a force acts on them
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