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Soils

Soils (reassessment)

QuestionAnswer
What layer of soil would you find the most plant roots and animals? topsoil
Which type of soil has the largest particles? sand
What is the main material in soil? rock particles
What kind of soil is best for growing plants? loam
Which type of soil has the smallest particles? clay
Where does humus come from? living things
Which part of soil is most likely the darkest? silt
Which type of soil is made up of different size particles? loam
True or False? Topsoil contains lots of humus. true
True or False? Subsoil is made of mostly rock particles. true
True or False? Bedrock is solid rock. true
True or False? Loam is a mix of sand, silt and clay. true
True or False? Plants grow best in loam because it holds water well and has lots of nutrients. true
What are the 3 types of soil? clay, sand, silt
__________ is sticky, smooth and holds water very well. clay
___________ is rough and doesn't hold water very well. sand
__________ is smooth and is place to place by rivers. silt
_________ is a mixture of sand, silt and clay. loam
True or False? Earthworms and other dead animals add nutrients to soil. true
Created by: lasheabranton
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