Soil Percolation Lab Quiz: Trivia!
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- 1.
Which type of barrier island substrate allows: Water to consistently pass through the quickest without absorbing the water?
- A.
Coarse sand
- B.
Clay
- C.
Fine sand
- D.
Silt
- E.
Loam/peat
Correct Answer
A. Coarse sandExplanation
Coarse sand allows water to consistently pass through the quickest without absorbing the water. This is because the larger particles in coarse sand create larger pore spaces, allowing water to flow through more easily. In contrast, clay, fine sand, silt, and loam/peat have smaller particles and smaller pore spaces, which slow down water movement and increase water absorption.Rate this question:
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- 2.
Which type of substrate allowed: The least amount of water to pass through and retained or ponded the most water?
- A.
Coarse sand
- B.
Clay
- C.
Fine sand
- D.
Silt
- E.
Loam/peat
Correct Answer
B. ClayExplanation
Clay is the correct answer because it has very small particles that are closely packed together, creating a tight structure. This structure allows for the least amount of water to pass through, making it less permeable. Additionally, the small particle size of clay allows it to retain or pond the most water, as the water is trapped between the particles and cannot easily drain away.Rate this question:
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- 3.
Which type of barrier island substrate allows: This fine substrate to remain soft, not squishy, moist and filter water through when wet?
- A.
Coarse sand
- B.
Clay
- C.
Fine sand
- D.
Silt
- E.
Loam/peat
Correct Answer
D. SiltExplanation
Silt is the correct answer because it is a fine substrate that retains moisture without becoming squishy. It also has the ability to filter water through when wet. Coarse sand would not retain moisture as well, clay would become squishy when wet, and fine sand may not filter water effectively. Loam/peat is not mentioned in the question and therefore cannot be the correct answer.Rate this question:
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- 4.
Which type of barrier island substrate allows: The substrate to percolate quickly, feel dry to touch, retain its moisture and nutrients for its habitat?
- A.
Coarse sand
- B.
Clay
- C.
Fine sand
- D.
Silt
- E.
Loam/peat
Correct Answer
E. Loam/peatExplanation
Loam/peat is the correct answer because it has the ability to percolate quickly, allowing water to drain through it easily. At the same time, it can retain moisture and nutrients, providing a suitable habitat for plants and organisms. This type of substrate strikes a balance between drainage and water retention, making it ideal for supporting various forms of life on a barrier island.Rate this question:
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- 5.
Particle Porosity and Permeability. Choose the statement that best describes the porosity of each set of soil particles.
- A.
Not porous, densely packed, uniform grain size
- B.
Most porous, loosely packed large grain size
- C.
Low porosity, mixed grain sizes
- D.
Porous, mixed grain size
Correct Answer
A. Not porous, densely packed, uniform grain sizeExplanation
The correct answer describes the porosity of the set of soil particles as "not porous, densely packed, uniform grain size." This means that the soil particles are tightly packed together and do not have any open spaces or pores. Additionally, the grain size of the particles is consistent and uniform.Rate this question:
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- 6.
Particle Porosity and Permeability. Choose the statement that best describes the porosity of each set of soil particles.
- A.
Not porous, densely packed, uniform grain size
- B.
Porous, void space, packed large grain size
- C.
Low porosity, mixed grain sizes
- D.
Porous, mixed grain size
Correct Answer
B. Porous, void space, packed large grain sizeExplanation
The correct answer is "Porous, void space, packed large grain size." This answer describes soil particles that have a large grain size, allowing for void spaces or gaps between the particles. These void spaces contribute to the porosity of the soil, making it porous. Additionally, the particles are packed tightly together, indicating that the soil is densely packed.Rate this question:
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- 7.
Particle Porosity and Permeability. Choose the statement that best described the porosity of each set of soil particles.
- A.
Not porous, densely packed, uniform grain size
- B.
Most porous, loosely packed large grain size
- C.
Low porosity, mixed grain sizes
- D.
Porous, mixed grain size
Correct Answer
C. Low porosity, mixed grain sizesExplanation
The correct answer is "Low porosity, mixed grain sizes". This means that the soil particles have a small amount of empty space between them and they have different sizes. This combination of low porosity and mixed grain sizes suggests that the soil is compacted and the spaces between the particles are not well connected, resulting in limited water and air flow through the soil.Rate this question:
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- 8.
Soil includes four main ingredients the largest percentage is made up of: Use the diagram to help you respond to this question.
- A.
Minerals
- B.
Organic matter
- C.
Water
- D.
Air
Correct Answer
A. MineralsExplanation
The diagram shows that soil includes four main ingredients: minerals, organic matter, water, and air. The largest percentage of soil is made up of minerals, as indicated by the diagram.Rate this question:
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- 9.
Substrate is:
- A.
Bottom material ocean organisms live in or on.
- B.
Bottom material found in the ocean.
- C.
Bottom material organisms live in or on.
- D.
Subtidal nutrients
Correct Answer
C. Bottom material organisms live in or on.Explanation
The correct answer is "Bottom material organisms live in or on." This answer accurately defines substrate as the material at the bottom of the ocean where organisms live or attach themselves to. It implies that substrate provides a habitat for various ocean organisms and supports their survival and growth.Rate this question:
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- 10.
What are the two ingredients in soil that are equal percentages? Use the diagram to help you respond to this question.
- A.
Air & Water
- B.
Organic matter and minerals
- C.
Rocks and minerals
- D.
Organic matter and water
Correct Answer
A. Air & WaterExplanation
The correct answer is "Air & Water". In soil, air and water are both present in equal percentages. Air is important for providing oxygen to the roots of plants, while water is necessary for plant growth and nutrient uptake. These two ingredients are essential for maintaining a healthy soil environment for plants to thrive.Rate this question:
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- 11.
What is soil?
- A.
Soil is a mixture of weathered rock and decayed organic matter.
- B.
Soil is a mixture of air, water and weathered rock.
- C.
Soil is organic matter found on land.
- D.
Soil is made of air, water and plant matter.
Correct Answer
A. Soil is a mixture of weathered rock and decayed organic matter.Explanation
Soil is a complex mixture of weathered rock particles and decayed organic matter. Weathered rock refers to rocks that have been broken down into smaller particles through physical and chemical processes. Organic matter, on the other hand, is composed of decomposed plant and animal material. The combination of these components gives soil its unique properties and ability to support plant growth.Rate this question:
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- 12.
Water percolates more slowly in silt and clay soils because these soils actually hold water by force. What is the attraction that helps soil hold onto water molecules
- A.
Adhesion
- B.
Cohesion
- C.
Capillary Action
- D.
Recharge
Correct Answer
A. AdhesionExplanation
Adhesion is the attraction between different molecules, such as water and soil particles. In silt and clay soils, the small particles have a high surface area, allowing for more adhesion between the soil particles and water molecules. This strong attraction between the soil and water molecules causes the water to be held by force, resulting in slower percolation through the soil.Rate this question:
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- 13.
Why is sediment considered soil under water?
- A.
Sediment is considered soil under water because unlike soil on land, sediment is found almost everywhere on the earth's surface, including on the bottom of the oceans and lakes, on river beds.
- B.
Sediment is considered soil underwater because of the rock found under water.
- C.
Sediment is considered soil underwater because it is fine grained.
- D.
Sediment is considered soil underwater because plants organisms can grow in it.
Correct Answer
A. Sediment is considered soil under water because unlike soil on land, sediment is found almost everywhere on the earth's surface, including on the bottom of the oceans and lakes, on river beds.Explanation
Sediment is considered soil under water because it is found in various aquatic environments, such as the bottom of oceans, lakes, and river beds. This sediment consists of particles that have been eroded and transported by water, similar to how soil is formed on land. Therefore, sediment can be considered as underwater soil due to its widespread presence and similar formation processes.Rate this question:
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- 14.
Which terms best describe the classroom substrate sample: Clay
- A.
Sticky, muddy, tiny grained
- B.
Spongy, soft, earthy, twiggy
- C.
Small grained, light weight
- D.
Smooth, slippery, soft, not sticky
- E.
Gritty, grainy and coarse
Correct Answer
A. Sticky, muddy, tiny grainedExplanation
The terms "sticky" and "muddy" suggest that the clay sample has a high moisture content and is likely to adhere to surfaces. The term "tiny grained" indicates that the clay particles are small in size. These characteristics are commonly associated with clay, making the answer "Sticky, muddy, tiny grained" the most appropriate choice.Rate this question:
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- 15.
Which terms best describe the classroom substrate sample:Loam/Peat/Humus
- A.
Spongy, soft, earthy, twiggy
- B.
Small grained, light weight
- C.
Smooth, slippery, soft, not sticky
- D.
Gritty, grainy and coarse
- E.
Sticky, muddy, tiny grained
Correct Answer
A. Spongy, soft, earthy, twiggyExplanation
The terms "spongy, soft, earthy, twiggy" best describe the classroom substrate sample. These terms suggest that the sample is soft and easily compressible, with a texture similar to that of a sponge. It also has an earthy smell and contains small twigs or plant material.Rate this question:
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- 16.
Which terms best describe the classroom substrate sample:Dune Sand
- A.
Small grained, light weight
- B.
Smooth, slippery, soft, not sticky
- C.
Gritty, grainy and coarse
- D.
Sticky, muddy, tiny grained
- E.
Spongy, soft, earthy, twiggy
Correct Answer
A. Small grained, light weightExplanation
The given correct answer for the question describes the classroom substrate sample, Dune Sand, as small grained and light weight. This suggests that the sand particles in the sample are small in size and the overall sample is lightweight in nature.Rate this question:
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- 17.
Which terms best describe the classroom substrate sample:Silt
- A.
Smooth, slippery, soft, not sticky
- B.
Gritty, grainy and coarse
- C.
Sticky, muddy, tiny grained
- D.
Spongy, soft, earthy, twiggy
- E.
Small grained, light weight
Correct Answer
A. Smooth, slippery, soft, not stickyExplanation
The term "silt" refers to fine particles of soil or sediment that are smaller than sand but larger than clay. These particles are smooth, slippery, and soft to the touch. Unlike clay, silt is not sticky. Therefore, the terms "smooth, slippery, soft, not sticky" best describe the classroom substrate sample.Rate this question:
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- 18.
Which terms best describe the classroom substrate sample: Coarse beach sand
- A.
Gritty, grainy and coarse
- B.
Smooth, slippery, soft, not sticky
- C.
Small grained, light weight
- D.
Spongy, soft, earthy, twiggy
- E.
Sticky, muddy, tiny grained
Correct Answer
A. Gritty, grainy and coarseExplanation
The terms "gritty, grainy, and coarse" best describe the classroom substrate sample because these terms indicate that the sample has a rough texture and contains larger particles.Rate this question:
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- 19.
Identify the sediment grain size for # 1.
- A.
Coarse sand
- B.
Fine sand
- C.
Silt
- D.
Clay
Correct Answer
A. Coarse sandExplanation
The sediment grain size for #1 is coarse sand because it is larger than fine sand, silt, and clay. Coarse sand typically has a grain size ranging from 2 to 0.25 millimeters, making it larger than the other options.Rate this question:
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- 20.
Identify the sediment grain size # 2
- A.
Silt
- B.
Coarse Sand
- C.
Fine sand
- D.
Clay
Correct Answer
A. SiltExplanation
The correct answer is silt because it is a sediment grain size that falls between the sizes of fine sand and clay. Silt particles are larger than clay particles but smaller than sand particles. They have a smooth texture and can be easily transported by water. Silt is commonly found in riverbeds and floodplains.Rate this question:
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- 21.
Identify the sediment grain size # 3
- A.
Clay
- B.
Coarse sand
- C.
Fine sand
- D.
Silt
Correct Answer
A. ClayExplanation
The sediment grain size #3 is clay. Clay particles are the smallest in size, measuring less than 0.002 mm. They have a smooth and sticky texture, and can easily be molded when wet. Clay is commonly found in areas with low energy environments such as lakes and swamps, where fine particles settle and accumulate over time. It is important in various industries such as ceramics and construction due to its ability to retain water and its plasticity when moist.Rate this question:
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