Properties Of Soil

Three soil samples were tested to see how much water each could hold. The same amount of water was added to each funnel of soil. Very few plants would probably grow in the clay because the water would —

• fail to reach the roots of the plants

• become too cloudy

•   run through the soil too quickly

• become poisonous to the plants

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A student wants to find out which type of soil holds the most water. He uses four identical pots with holes in the bottom. He fills each pot with a different type of soil and waters the pots with the same amount of water. How can he find out how much water stays in the soil in each pot?

• By planting seeds and measuring plant growth in each pot

• By measuring the amount of water that drains from each pot

• By observing which soil looks wettest after the water has been added to the pots

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According to the soil profile pictured above, in which layer are most of the soil’s nutrients MOST LIKELY found

• Layer 1

• Layer 2

• Layer 3

• Layer 4

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What is the scientific name for a mixture of weathered rock and organic material?

• Soil

• Limestone

• Clay

• Rock

Three soil samples were tested to see how much water each could hold. The same amount of water was added to each funnel of soil.   Which soil retained the most water?

• Loam

• Sand

• Clay

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NGSS.MS-ESS2-4

A student wants to find out which type of soil holds the most water. He uses four identical pots with holes in the bottom. He fills each pot with a different type of soil and waters the pots with the same amount of water. What is the variable being tested in this experiment?

• Seeds

• Amount of water

• Soil

• Pot

The pictures show a method used to collect data in an investigation. Different kinds of materials were mixed with 100 grams of garden soil. An equal amount of water was added to each mixture. Which of these was this investigation designed to answer?

• How well each material mixes with garden soil

• How well each mixture holds water

• How well each material supports plants

• How well each mixture keeps its texture when wet

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NGSS.MS-LS2-1

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Similar containers were filled with different types of soil. Holes were poked into the bottom of each container, and 300 milliliters of water were added. The water that dripped out was collected and measured. According to the information in the table, which type of soil retained water best?

• Potting soil

• Sandy soil

• Gravel

• Clay

Which of the following types of soil will be the hardest for plants to grow in?

• Sandy soil that retains a great deal of water

• Loam that contains humus and drains well

• Topsoil that drains well and contains nutrients

• Potting soil that is designed to improve plant growth

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A sample of water and sediment was taken from a river. The sand and rocks were allowed to settle in a jar for three hours, as shown here.  Which of these best explains why the pebbles are below the sand?

• The sand is less dense than the pebbles and rocks.

• The water temperature is high enough to melt sand

• Sand particles dissolve more in water than rocks

• The sand particles trapped enough air to make them float.

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