5th grade science vocab definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Deposition | The dropping of sediment or particles by water, wind, or ice
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| Delta | A deposit of sediment that builds up at a river's mouth
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| Flood plain | A broad, flat valley through which a river flows
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| Longshore current | A current that moves parallel to the shore
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| Barrier island | A long, narrow island that forms along the coast
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| Sand dune | A mound of sand piled up by the wind
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| Glacier | A huge mass of ice and snow that moves slowly over the land
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| Moraine | A ridge of sediment and rock left behind when a glacier melts
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| Drumlin | A long, oval shaped mound of soil and rock formed from glacial deposits
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| Lava | Magma that reaches Earth's surface
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| Magma | Hot, molten rock deep below Earth's surface
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| Fault | A crack in Earth's crust whose sides show evidence of motion
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| Weathering | Breaking down rocks into smaller pieces
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| Mechanical weathering | A type of weathering that breaks rock into smaller pieces without changing it chemically
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| Chemical weathering | A type of weathering that changes rock into one or more new substances
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| Erosion | The picking up and carrying away pieces of rocks
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| Desert pavement | A surface of bare ground and large stones in a desert where wind has removed all particles of sand
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| Sea stack | A pillar of stone in the sea that forms headlands
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| Headland | A point of land that sticks out in the ocean
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| Sea arch | A formation made when waves first carve away softer rock in the headland
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| Dam | A structure built across a river to control its flow
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| Groin | A structure built at right angles to the beach to control beach erosion
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| Seawall | A structure built parallel to the shore to control beach erosion
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| Beach nourishment | The placement of additional sand on beaches to protect them from erosion
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| Contour plowing | Preventing erosion by plowing across rather than up and down a slope
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| Terracing | Shaping hillsides into steps so that runoff and eroded soil get trapped on the steps
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| Storm drain management | System of drains that prevents flooding during heavy rainstorms
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| Earthquakes | The shaking that results from the movement of rock beneath Earth's surface
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| Volcanoes | A weak spot in the crust where magma has come to the surface
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| Levee | A long ridge formed by sediments along a river channel
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| Ring of Fire | A major belt of volcanoes that rims the Pacific Ocean
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| Continental drift | The idea that the continents slowly move across Earth's surface
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| Ridge | A deep valley that forms where two plates move apart
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| Trench | A deep valley in the sea floor
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| Plate tectonic | A scientific theory that Earth's crust is made of moving plates
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| Crust | The rocky surface that makes up the top of the lithosphere and includes the continents and the ocean floor
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| Mantle | The layer of hot, solid material between Earth's crust and core
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| Tsunami | A giant wave caused by an earthquake on the ocean floor
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| Sediment | Small, solid particles of material from rocks organisms
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| Landform | A feature formed by the processes that shape the Earth's surface
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| Seismograph | A device that records ground movements caused by seismic waves
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