Soil Quiz
Understand your soil knowledge in 10 minutes, from texture and drainage to nutrients and pH. Get a clear score band from 16 questions with real-world garden and land-care scenarios, no sign-up needed.


08:30
Scale Explorer
How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
Benchmarking
See How You Compare
Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
Soil Knowledge (SK)
Soil Knowledge (SK)
Average
7.9
Normal range
4.9 — 10.8
min.
0
max.
16
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS
Example Questions From the Test
- Persistent depletion of all organic matter
- Periods of saturation and restricted oxygen availability
- Recent contamination by synthetic fertilizer
- Extremely rapid drainage through coarse sand
- They make the nutrients permanently insoluble
- They turn the nutrients into organic matter
- Their large pores prevent nutrients from contacting water
- Their charged surfaces provide cation-exchange sites
- The resistance of soil to changes in pH
- The way soil particles form aggregates or clumps
- The amount of decomposed organic material in soil
- The relative proportions of sand, silt, and clay
WHAT THE TEST MEASURES
About This Assessment
Soil Quiz - Symptoms and Signs
How well do you understand the ground beneath your feet? This free, text-based soil quiz checks your current knowledge of soil texture, structure, drainage, nutrients, pH, organic matter, and practical soil care. Work through 16 questions that mix core concepts with garden and land-management scenarios, then compare your score with clear knowledge bands. No sign-up is needed. This quiz measures understanding; it cannot analyze the condition of a specific soil sample.
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