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Earth Science 2021

Earth Science plus random previously taught words

DefinitionWord
The breaking down of rock by wind, water, or ice. Weathering
The moving of sediments. Erosion
The dropping of sediments in a new location. Deposition
Sediments sticking together like glue. Cementation
The pressing together of sediments. Compaction
Rock made by the deposits of sediments that form layers. Sedimentary rock
Earthquakes, landslides, hurricanes, tsunamis, volcano Rapid changes to Earth
Weathering, erosion, and deposition Slow changes to Earth
Small particles of weathered rock. Sediment
Tiny particles of broken down rock. Retains very little water and nutrients. Sand
Finer and softer sand. Some water and nutrients are retained but erodes easily. Silt
A fine-grained soil that retains the most water but it retains too much water. Clay
Dark and chunky soil full of organic matter. Humus
The best soil because it is a mixture of humus, clay, and sand. Loam
Fuels formed from the remains of prehistoric plants and animals that were buried in layers of rock and subjected to large amounts of heat and pressure. Fossil fuels
Prehistoric swamp plants began to die. In the swamps, plant remains were covered with soil. A thousand years of heat and pressure slowly turned these layers into peat. Millions more years for heat and pressure deep within Earth to turn peat into this. Coal
Ancient oceans when tiny marine animals called "plankton" died, sank, and were covered with layers of sand. Millions of years of heat and pressure turned these organic marine remains into these fossil fuels trapped in layers of sedimentary rock. Oil/Natural Gas
Resources that cannot be replaced quickly. Nonrenewable resource
Resources that can be replaced quickly. Renewable resource
Created by: Mr. Minett
Popular Earth Science sets

 

 



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