erosion
weathering
definitions
soil
extra
100
what is erosion
What is movement of soil or rocks by wind or water
100
greatest agent of weathering
What is water
100
what is the definition of weathering
What is the chemical and physical process that break down rock at earths surface
100
what is soil made of
What is pieces of rock, air, water, matter that was once alive
100
what type of mass movement makes the most changes in earth's surface
What is creep
200
what is runoff
What is the water that moves over the earths surface
200
name 2 types of weathering
What is chemical weathering and mechanical weathering
200
what is the definition of erosion
What is the process by which water, ice, or gravity moves weathered rock and soil
200
what is humus
What is decayed matter that was once alive
200
what property of water is partly responsible for creep
What is freezing and thawing
300
how does erosion work when making sand dunes
What is wind carrying sand
300
after millions of years, what weathered material turns to dirt
What is rock
300
what is the definition of deposition
What is process in which sediment is laid down in a new location.
300
what does humus do for soil
What is adds nutrients to the soil and gives it a dark color
300
what is the first layer of earth called
What is crust
400
name the agent that effects the rate of weathing
What is climate or type of rock
400
what is the definition of soil
What is loose, weathered material on earths surface in which plants can grow
400
which type of soil is tightly packed with tiny grains
What is clay
400
GUESS A LETTER
What is K
500
most plants grow in which layer of soil
What is topsoil
500
what force moves rock down a hill
What is gravity
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