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Soils
Soils (reassessment)
Question | Answer |
---|---|
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 |