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WorksheetsSoils Review
Total questions: 25
Worksheet time: 13mins
What are the 3 main soil particles?
Sand, silt, clay
Sand, loam, Clay
Silt, Sand, Gravel
there are way more than 3 main particles
What is the best mixture of the soil particles for growing plants?
mostly clay
loam
mostly sand
silty clay
Where do all soil particles originally come from?
Sand, silt, and clay
Layer B
organic mater
rocks
What soil particle can collect and hold the most nutrients?
Sand
Silt
Clay
Loam
What is the largest soil particle?
Sand
Silt
Clay
Loam
What are the three main types of rocks?
Common rocks, crystals, and gems
surface level, subsoil, and bedrock rocks
Igneous, sedimentary, and metamorphic
Limestone, quartz, and granite
How are sedimentary rocks formed?
Through intense heat and pressure
Through layering of sediment over time
Through the cooling of lava or magma
Through the breakup of the earths crust
How are igneous rocks formed?
Through the breakup of the earths crust
Through the cooling of lava and magma
Through the build up of sediment over time
Through intense heat and pressure
How are metamorphic rocks formed?
Through intense heat and pressure
Through the breakup of the earths crust
Through the cooling of lava or magma
Through the build up of sediment over time
What kind of rock is limestone?
Sedimentary
igneous
metamorphic
its not a rock
What is the difference between soil and dirt?
There is no difference, they are the same
Dirt is typically in Layer A and soil is typically in Layer B
Soil is alive and dirt is dead
Soil is dead and dirt is alive
Why is soil important
its not
it provides us with food, clothing, and shelter
We cannot make any more of it
so kids have a chance to get dirty
What are the four needs of soil
water, sunlight, oxygen, nutrients
anchorage, water, sunlight, nutrients
anchorage, water, nitrogen, carbon
anchorage, water, oxygen, nutrients
In an ideal soil matrix, 45% of the soil should be made of what?
soil particles (sand, silt, or clay)
organic matter
water
gases
In an ideal soil matrix, 5% of the soil should be made up of what?
soil particles (sand, silt, clay)
oxygen
organic matter
water
What is hummus
organic matter produced by fungus that helps hold the soil together
organic matter produced by plants that helps hold the soil together
organic matter produced by dead animals that helps hold the soil together
a delicious dip made from roasted eggplant
What holds soil particles together
glomulin
hummus
plant roots
all of the above
Who produces globulin?
Fungi
Bacteria
Plants
Soil microbes
What is Cation Exchange Capacity (CEC)?
The ability for soil particles and organic matter to cycle and store nutrients
The ability for plants to grow in soil
The ability or soil to dry out
The measurement of acid or base in a soil
What are soil horizons?
Different soil types by particle
the amount of erosion that happens in soil
how far out a soil type streches
layers in the soil
Where is soil Horizon O; what do you find in it?
Bottom layer; bedrock
Middle layer; subsoil
Top layer; organic matter
Second layer; topsoil
What is in Layer R?
bedrock
subsoil
topsoil
organic matter
What is in found in layer E
Large particles of parent material
Leaching of nutrients
Subsoil
Organic matter
What soil horizon do farmers like best?
Horizon A
Horizon B
Horizon E
Horizon O
What is soil health?
The ability to cycle and store water and nutrients
The ability for soil to not get sick
The amount of organic matter in the soil
The percent loam in the soil
