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Worksheetssoil study guide
Total questions: 25
Worksheet time: 13mins
What is the name for the different soil layers?
soil profile
horizons
soil layer
horizontalists
Exposure to rain and oxygen causes the metal minerals to rust and fall apart. This is an example of;
mechanical weathering
chemical weathering
What is organic matter made of?
decayed plants and animals
dirt
acid rain
weathered rocks
What kind of soil conservation method helps stop erosion and does not use plowing?
terracing
wind breaks
strip cropping
no-till
What kind of soil conservation method plows hills parallel to slopes to reduce speed of the water flow down the hill?
wind breaks
contour farming
strip cropping
no-till
What is the color of soils that have high organics?
dark
light
red
green
What horizon letter contains less organic material and has nutrients that have been leached from the topsoil?
horizon a
horizon b
horizon c
horizon d
What does soil contain?
minerals, air, and water
minerals, organic material, water, and air
rocks, dirt, stuff, and organisms
air, organisms, rocks, and water
What does soil color depend on?
organic matter content
drainage conditions
degree of oxidation or extent of mineral oxidation
all of these
What are the three soil texture sizes?
gravel, minerals, and sand
sand, silt, and clay
silt, gravel, and clay
water, rocks, and air
What is the measure of how acidic or basic things are?
pH
phosphorus
nutrients
acidity
What nutrient is responsible for rapid plant growth and healthy green leaves?
nitrogen
phosphorus
potassium
What nutrient is responsible for helping plants grow and making strong stems?
nitrogen
phosphorus
potassium
What nutrient is responsible for helping plants grow strong and helping them produce flowers and fruit?
nitrogen
phosphorus
potassium
What are the ways to reduce soil erosion?
terraces
contour plowing
wind breaks
strip cropping
How can you tell the texture of soil?
rubbing the soil between fingers
grinding it
stepping on it
looking at it
What kind of strength does wet soil have?
medium
low
high
What is most of the chemistry of the Pennsylvania soils?
neutral
not acidic
acidic
Which horizon is rich in organics?
subsoil
topsoil
Breaking off pieces of rock is what?
soil
erosion
weathering
corrosion
Rocks being dissolved by wind or water is what?
erosion
weathering
acid rain
corruption
Red soil indicates what?
iron oxidation
copper oxidation
rock oxidation
gold oxidation
Green soil indicates what?
iron oxidation
copper oxidation
gold oxidation
granite oxidation
It is important for soil to hold water because...
the plants will be dehydrated
the plants will grow to be blue
the plants will grow to be buff
the plants can grow and thrive
What is the main ingredient in soil?
air
minerals
sand
rocks
