1) Which soils retain water best? a) sand and gravel b) silt, clay, loam, gravel c) silt, clay, loam, potting soil, humus d) silt, clay, loam, sand, humus 2) Which soils allow water to drain easily? a) clay and gravel b) silt, clay, loam, gravel c) sand and humus d) sand and gravel 3) Which soils do not allow water to drain easily? a) silt, clay, loam, humus b) silt, sand, gravel c) sand, gravel, silt d) silt, clay, loam, gravel 4) Which soils do not retain water easily? a) gravel and sand b) gravel and silt c) sand and clay d) sand and loam 5) Which soils are best for growing plants? a) humus, clay, silt, loam b) gravel, sand 6) Soils with smaller particles, like silt & clay, have a larger surface area than soils such as sand. As a result, silt & clay will hold more water. What does this mean? a) Soils with a high percentage of particles has a higher water-holding ability. b) Soils with a low percentage of particles has a higher water-holding ability.  c) Soils with a high percentage of particles has a lower water-holding ability. 

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