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erosion is when wind transports sediments from one place to another place for a long distance
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weather is a source of wind and water for weathering
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sometimes weathering smooths / rounds rocks
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erosion is when wind / moving water transports sediments from one place to another place for a long distance
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sand is a kind of sediment
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new sand is brought from other places and spread on the beaches
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erosion usually occurs over a period of many years which is considered a long time
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water causes soil and rock erosion
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wind and rain cause erosion
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grass is a kind of plant
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soil erosion is when wind and moving water moves soil from fields / environments
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in the erosion process roots of plants are an inhibitor
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the grasses are removed from the land
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removing an inhibitor of a process causes that process
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soil loss causes grooves in soil
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rainwater is a kind of water
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a riverbank is made of soil
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soil erosion means soil loss through wind / water / animals
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a pebble is a kind of small rock
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rocks interacting with moving water over long periods of time causes weathering
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waves are made of moving water
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sometimes weathering smooths rocks
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removing something is a kind of change
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rain causes erosion
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erosion decreases the amount of nutrients in soil
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decreasing something can cause something to be removed
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rain is a kind of natural process
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erosion sometimes decreases the amount of nutrients in soil
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rain causes erosion
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abrasion changes rocks from rough into smooth and round
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abrasion is a kind of weathering
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a mountain range contains mountains
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sometimes weathering rounds rocks
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a mountain is made of rocks
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roots hold soil in place
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removing trees will decrease the roots in the soil
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if soil is held in place, then soil erosion can be prevented
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when water freezes , that water expands
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if there is a crack in a rock, then water can get into the crack
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if water expands in a crack in a rock, then the rock will break apart
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soil is formed by weathering
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weathering means breaking down rocks from a larger whole into smaller pieces
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scraping an object may cause small particles to break off of that object
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very small rocks / minerals are kinds of of small particles
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glacier may scrape rocks when it moves
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a rock is a kind of object
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soil is made of very small rocks / minerals
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rocks interacting with wind and moving water over long periods of time causes weathering
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weathering means breaking down rocks from a larger whole into smaller pieces by weather / mechanical means
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a crack is formed by breaking the whole
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a boulder is a kind of rock
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weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means
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cycles of freezing and thawing water cause ice wedging
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mechanical weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means
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ice wedging is a kind of mechanical weathering
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mechanical weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means
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cycles of freezing and thawing water cause ice wedging
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ice wedging is a kind of mechanical weathering
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ice wedging is a kind of mechanical weathering
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mechanical weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means
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cycles of freezing and thawing water cause ice wedging
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oxidation of iron will change the iron to yellow, red, or orange color
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chemical weathering causes iron in rock to oxidize
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rocks sometimes contain iron
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a plant 's roots slowly break down rocks as the roots grow
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a plant is a kind of living thing
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weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means
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mosses produces acid from their roots
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acid can cause rocks to weather by chemical reaction
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an example of weathering is a plant root growing into a crack in rock
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a plant is a kind of organism
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a tree is a kind of plant
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organic weathering means organisms cause the weathering of rocks
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moisture is a kind of environmental factor
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chemical weathering means chemical reaction causes the weathering of rocks
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warmth is a kind of environmental factor
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warmth and moisture can accelerate chemical reactions
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an example of weathering is a plant root growing into a crack in rock
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a tree is a kind of plant
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a boulder is a kind of large rock
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acid produced by some trees can change the soil chemistry
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a change in soil chemistry is a kind of chemical weathering
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plants can produce acid
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acid can cause rocks to weather by chemical reaction
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soil is formed by rocks weathering
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acid can cause rocks to weather by chemical reaction
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lichens can produce acid to break down rocks
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chemical weathering means chemical reaction causes the weathering of rocks
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a drought is a kind of slow environmental change
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a drought occurs over a period of months / years
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a hurricane has high wind speeds
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high winds are winds with high wind speed
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a tornado has high wind speeds
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low means low in elevation / height / altitude
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as elevation of a place decreases , how much a flood will affect that place will increases
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area means a place
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plants drying out means plants do not have enough water to survive
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drought may cause wildfires
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drought is when available water decreases in an environment
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plants require water to survive
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