Starter Quiz 3rd and 4th

The Ideal Soil is...

• 25% Air, 35% Water, 5% OM, 35% Mineral

• 15% Air, 35% Water, 5% OM, 55% Mineral

• 25% Air, 25% Water, 5% OM, 45% Mineral

• 25% Air, 45% Water, 5% OM, 15% Mineral

3 different sized materials of Inorganic Matter (minerals)

• Sand, Silt, Soil

• Sand, silt, clay

• sand, mud, silt

• sand, soil, clay

The water that drains downward in the soil

• Gravitational Water

• Capillary Water

• Hygroscopic Water

• Soil Water

• Water held between soil particles

• Gravitational Water

• Capillary Water

• Hygroscopic Water

• Soil Water

• Water that sticks to each soil particle

• Gravitational Water

• Capillary Water

• Hygroscopic Water

• Soil Water

Living Organisms in the soil

• • Bacteria

  • Water

  • Earthworms

  • Fungi

• • Bacteria

  • Insects

  • Earthworms

  • Sand

• • Bacteria

  • Insects

  • Earthworms

  • Fungi

• • Compost

  • Insects

  • Earthworms

  • Fungi

Soil formation that is influenced by 5 factors

• parent material, time, climate, living organisms, water

• parent material, time, organic matter, living organisms, topography

• parent material, economy, climate, living organisms, topography

• parent material, time, climate, living organisms, topography

The form or outline of the earth’s surface

• Elevation

• Contour

• Topography

• Maps

Soil profile horizons

• O, A, B, R, C

• O, A, B, C ,D

• O, A, B, C, R

• O, R, A, B ,C

Soil is classified based on its characteristics including

• • textures, depth, color, structure

• • textures, depth, color, structure, consistency and time

• • textures, depth, color, time, climate, permeability

• • textures, depth, color, structure, consistency and permeability