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- 1. Multiple Choice
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
- 2. Multiple Choice
Which of the following soils would be best for growing bean plants?
A Sandy soil with big rocks
B Loam that contains humus
C Gravel and rocky soil
D Clay soil that contains sand
- 3. Multiple Choice
Which of the following has the GREATEST effect on the ability of soil to retain water?
A The age of the soil particles
B The size of the soil particles
C The color of the soil particles
D The luster of the soil particles
- 4. Multiple Choice
Through which type of soil will water move most quickly?
A Sandy soil with large pores
B Humus soil with small pores
C Clay soil with tiny pores
D Solid rock with no pores
- 5. Multiple Choice
According to the soil profile pictured to the right, in which layer are most of the soil’s nutrients MOST LIKELY found?
A Layer 1
B Layer 2
C Layer 3
D Layer 4
- 6. Multiple Choice
Students are investigated properties of soil. They picked up the soil and rubbed it back and forth between their fingers. They noticed the soil was made of many different sized particles and felt smooth.Which property of soil are the students examining?
A. Color
B. Mass
C. Fragrance
D. Texture
- 7. Multiple Choice
Which of the following has the greatest effect on soil’s capacity to retain water?
A. soil color
B. soil texture
C. soil density
d. soil structure
- 8. Multiple Choice
Generally, fine-textured soils are characterized to have
a. low water holding capacity
b. high ability to supply plant nutrients
c. low total surface area
d. high percolation rate
- 9. Multiple Choice
The relative distribution of sand, silt, and clay is called soil __________.
a. Texture
b. Structure
c. Cation Exchange Capacity
d. pH
- 10. Multiple Choice
Soil texture refers to the coarseness or fineness of a soil
a. sand is gritty
b. silt is sticky and plastic
c. clay is smooth
d. all of the above
- 11. Multiple Choice
It refers to the arrangement of primary soil particles into secondary units or aggregates
a. Soil consistency
b. Soil texture
c. Soil structure
d. Soil density
- 12. Multiple Choice
Soil textural class wherein sand, silt and clay ar in almost equal proportion in a soil mass
a. Sand
b. Silt
c. Loam
d. Clay
- 13. Multiple Choice
Characteristics feel of sand separates when rubbed in between the finger is
a. Gritty
b. Floury
c. Sticky when moist
d. All of the above
- 14. Multiple Choice
The mineral matter component of soils make up about
a. 25%
b. 30%
c. 50%
d. 45%
- 15. Open Ended
How soil physical properties affect plant growth?
- 16. Multiple Choice
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?
A. By planting seeds and measuring plant growth in each pot
B. By measuring the amount of water that drains from each pot
C. By observing which soil looks wettest after the water has been added to the pots
D. By feeling the soil before and after adding water to each pot
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