Soil Types
What soil type has the largest particles? (Largest grain, pieces)
Sand
What are the three layers of soil?
Topsoil, Subsoil, Bedrock
What are the 4 parts of soil?
Rocks, water, air, humus
Wind moving sand on sand dunes.
Erosion
Silky grainin, moist, rough, crumbly all describe a soil's
Texture
What soil type has the smallest particles?
Clay
Which layer of soil is all rock?
Bedrock
Water
Wind and waves eroding the shore would happen at the:
Beach
Soils are different in many ways including how they look to the eye. This would be a soil's
color
What is a mixture of other soils?
Loam
Which layer of soil is best for growing plants?
Topsoil
Minerals make up this part of soil.
Rocks
A delta at the mouth of a river (soil moving along the river and then stopping)
Erosion
True or False: Silt is not a type of soil
False: it just isn't discussed in third grade
Which soil is great for holding water, but not great for plants?
Clay
Which layer of soil is in the middle?
Subsoil
Living and used-to-be living things are broken down into nutrients with this part of soil.
Humus
A glacier and other ice breaking apart mountains.
Weathering
Weathering is the breaking down of
Rocks
Where might you find the soil type: sand?
Beach
What is the layer that has no plant roots?
bedrock
Animals Dig holes which allows this to make it deeper underground in soil.
Air
What causes a ditch to form naturally?
Water flowing over land
What is erosion?
The movement of soil