A farm currently has soil with a pH of 6. They wish to plant alfalfa which requires a pH of 6.5-7.5. Which of the following strategies would be used to achieve the desired soil pH?
Add sulfur to the soil.
Add lime to the soil.
Add humus to the soil.
Add sand to the soil.
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Researchers conducted an experiment in which they poured 100 mL of water through 4 funnel tubes, each containing a soil sample with a different texture, and then measured the amount of water collected.
What soil property are the researchers measuring?
Permeability
pH
Salinity
Texture
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Researchers conducted an experiment in which they poured 100 mL of water through 4 funnel tubes, each containing a soil sample with a different texture, and then measured the amount of water collected.
Based on the results of the experiment, which of the soils is composed mostly of clay?
A
B
C
D
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Which of the following is the dependent variable in the experiment?
The type of soil
The temperature of the soil
The volume of water collected
The amount of clay in the soil
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Which of the following identifies the scientific question for the experiment?
How does the volume of water affect the amount of soil collected in the funnel?
What type of soil texture allows the most water to pass through?
Does increasing the amount of water poured into the funnel change the soil composition?
How does temperature impact the rate at which water passes through different soil types?
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