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Seventh Grade (Grade 7) Soil Questions

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Grade 7 Soil
The five factors that determine how soils develop are                                                           .
  1. parent material, climate, vegetation, landscape, and time.
  2. animals, humus, weather, leaching, and volcanoes.
  3. sunlight, animals, humus, leaching, and earthquakes.
Grade 7 Soil
Poor soil management can result to what problem/s?
  1. Erosion
  2. Nutrient Depletion
  3. Desertification
  4. All of the above
Grade 7 Soil
Soil differs from place to place, mainly because of                                                                    .
  1. the climate and the type of rock that makes it up.
  2. the plants that grow in it and the animals that live in and on it.
Grade 7 Soil
What is the third layer of the soil?
  1. Subsoil
  2. Topsoil
  3. Litter
  4. Bedrock
Grade 7 Soil
Where does the soil process begin?
  1. Topsoil
  2. Subsoil
  3. Litter
  4. Bedrock
Grade 7 Soil
What is the top layer of the soil?
  1. Topsoil
  2. Subsoil
  3. Litter
  4. Bedrock
Grade 7 Soil
How does carbon enter the soil?
  1. through dead organisms
  2. through photosynthesis
  3. through cellular respiration
  4. through combustion
Grade 7 Soil
The smallest particles within the soil
  1. Sand
  2. Silt
  3. Clay
Grade 7 Soil
Which of the following is NOT a component of soil?
  1. Air
  2. Humus
  3. Magma
  4. Organic Matter