Science Final
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| What is Pamgeaea? | Pangeaea is the name of the single landmass that broke apart 200 million years ago and gave rise to today's continents.
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| What is Compression? | Compression is stress that squeezes rock until it folds or breaks.
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| What is Tension? | Tension is stress that stretches rock so that it becomes thinner in the middle.
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| What is Shearing? | Shearing is stress that pushes a mass of rock in opposite directions.
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| What is an Earthquake? | An Earthquake is the shaking of the Earth's crust, moving as a result of the plates underneath being in motion.
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| What is the Richter scale? | The Richter scale is a scale that rates seismic waves of an earthquake. It is a mechanical seismograph.
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| Is a mechanical seismograph still used today for the Richter scale ? | The mechanical seismograph was used in the late 1980s. The scale used now is the moment magnitude scale. It is an electronic seismograph.
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| What is a Fault-block Mountain? | It is a mountain that forms where two normal faults "lift up" another block of rock.
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| What are Shield Volcanoes? | Shield Volcanos are a wide, gently sloping mountain made of layers of thin lava formed by quiet eruptions.
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| What is a Cinder Cone Volcano? | A Cinder Cone Volcano is a steep, cone shaped hill or mountain made of ash, cinders and bombs (thick lava from explosive eruptions) piled up around a volcano's opening.
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| What is a Composite Volcano? | A Composite Volcano is a tall, cone shaped mountain in which layers of lava alternate with layers of ash and other volcanic material.
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| What is Magma? | Magma is the molten mixture of rock-forming substance, gases and water from the mantle.
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| What are Crystals? | Crystals are the shape a mineral takes because its atoms are arranged in a definite pattern.
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| What is the Moh's Scale? | The Moh's Scale is a scale for determining the hardness of a mineral, named after Friedrich Moh.
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| What are Solicates? | Silicates are any member of the largest group of minerals.
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| What is Cleavage? | Cleavage is the property of some minerals that causes them to easily break along a smooth, flat surface.
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| What is Fracture? | Fracture is the property of some minerals that cause them to break unevenly or along a curved surface.
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| What is Luster? | Luster is the way minerals reflect light. Example: Glassy, Earthy, Waxy, Metallic.
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| What is Streak? | Streak is the colored powder left behind when a mineral is rubbed against an unglazed tile.
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| What is Hardness? | Hardness is the property of minerals in which they are tested to see how easily they can be scratched.
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| What is a Diamond? | A diamond is the hardest known material. It can scratch all other substances/materials and is rated a 10 on the Moh's Hardness scale.
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| What is Talc? | Talc is the softest known mineral that flakes easily when scratched by a fingernail. It is used in powders.
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| What is Quartz? | Quartz is a mineral in the silicate family that is used in watches, computers, glass and as gemstones.
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| What is Ore? | Ore is a rock that has a useful metal in it. It can be crushed and melted to remove the useful metal.
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| What is Igneous Rock? | Igneous Rock is a rock that is formed from magma or lava that has cooled and hardened.
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| Part of Igneous rock - What is Intrusive Rock? | Intrusive Rock is a type of igneous rock that forms when magma hardens beneath Earth's surface.
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| Part of Igneous rock - What is Extrusive Rock? | Extrusive Rock is a type of igneous rock that forms from lava on Earth's surface.
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| What is Sedimentary Rock? | Sedimentary Rock is a type of rock that forms when particles from other rocks or the remains of plants and animals are pressed together. It has a 4 step process.
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| What are the 4 steps that form Sedimentary rock? | (1) Erosion. (2) Deposition. (3) Compaction. (4) Cementation.
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| What is erosion? | Erosion is the process in which wind or water carries away fragments of rock.
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| What is Deposition? | Deposition is the process in which fragments of rock that have been carried by erosion(wind or water) settles in one place and piles up.
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| What is Compaction? | Compaction is the process inw hich sediments are squeezed together by pressure.
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| What is Cementation? | Cementation is the process in which dissolved minerals crystallize and glue particles of sediment together.
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| What is Metamorphic rock? | Metamorphic rock is a type of rock that forms when existing rock is changed by heat pressure and chemical reactions into another rock.
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| What is Gneiss? | Gneiss is a metamorphic rock that formed from granite.
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| What is the rock cycle? | The rock cycle is the process in which rocks change into other types of rock or magma.
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| What is weather? | Weather is to break down due to rain, snow, wind or sand storms due to weather conditions.
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| What is a Rotation? | Rotation is the spinning motion of a planet about its axis.
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| What is a Revolution? | A Revolution is the movement of an object around another object.
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| What is a Solar Eclipse? | A Solar Eclipse is the blocking of the sunlight to Earth that occurs when the moon is between the sun and Earth.
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| What is a Lunar Eclipse? | A Lunar Eclipse is the block of sunlight to the moon that occurs when the Earth is directly between the sun and moon.
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| What is a Gas Giant? | A Gas Giant is the name given to the first four outer planets: Jupiter, Saturn, Uranus and Neptune.
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| What is a Comet? | A Comet is a ball of ice and dust whose orbit as long, narrow ellipse.
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| What is an Asteroid? | An Asteroid are objects revolving around the sun that are too small and too numerous to be considered planets.
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| What is an Meteoroid? | A Meteoroid is a chunk of rock or dust in space.
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| What is a Meteor? | A Meteor is a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
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| What is a Meteorite? | A Meteorite is a meteoroid that had hit Earth's surface.
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| Where do most earthquakes occur? | Earthquakes occur at fault lines.
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