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Soil Questions - All Grades

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Grade 3 Soil
Soil is
  1. any type of dirt and rocks
  2. a mixture of tiny rock particles, minerals, and decayed plant and animal materials.
  3. the same as the ground
Grade 5 Soil
What kind of soil is most likely found in the desert?
  1. dark, damp soil
  2. dry, sandy soil
  3. sticky, red soil
  4. think, muddy soil
Grade 6 Soil
Grade 5 Soil

This question is a part of a group with common instructions. View group »

Soil contains:
  1. only clay, and no humus
  2. silt and sand, but never clay
  3. humus and clay, but never sand
  4. rock, silt, sand, clay and humus
Grade 3 Soil
Why is soil so important?
  1. Provides food and support for plants
  2. Eaten by animals
  3. Eaten by people
  4. Keeps the earth clean
Grade 3 Soil
Which is the top layer of soil?
  1. topsoil
  2. subsoil
  3. bedrock
  4. humus
Grade 4 Soil
How do plants help form soil?
  1. Plants break up rocks by spreading roots into cracks.
  2. Plant stems surround the rocks until they break.
  3. Plant leaves protect the rocks from extreme temperatures.
  4. Plants fall into rocks and release chemicals.
Grade 4 Soil
Why is soil so important to us?
  1. We build on it
  2. We walk on it
  3. Plants need it to grow
  4. All of the above
Grade 4 Soil
Which is a soil layer?
  1. horizon
  2. topsoil
  3. subsoil
  4. All of the above
Grade 5 Soil
From top to bottom, how is soil layered?
  1. subsoil, topsoil, bedrock
  2. topsoil, bedrock, subsoil
  3. bedrock, subsoil, topsoil
  4. topsoil, subsoil, bedrock
Grade 3 Soil
What kind of soil holds the most water?
  1. sandy soil
  2. clay
  3. rocks
  4. plants
Grade 7 Soil
How does carbon enter the soil?
  1. through dead organisms
  2. through photosynthesis
  3. through cellular respiration
  4. through combustion
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