4.7A Properties of Soil

Front

A component of soil made of very tiny grains; sticky and soft when wet but turns hard when dry.

Back

Clay

Front

A component of soil made of small pieces of rock, pebbles, and usually has a smooth texture.

Back

Gravel

Front

To hold inside, as soil does with water

Back

Retain

Front

A component of soil made by the weathering of rocks into tiny grains; has a rough and gritty texture.

Back

Sand

Front

A mixture of sand, silt, clay, rock, and humus (plant and animal remains)

Back

Soil

Front

The top layer of soil

Back

Topsoil

Front

A sieve is a container with very small holes in the bottom that are all the same size. What would this tool be useful for?

Back

Sorting soil by particle size

Front

Which soil texture has the greatest ability to support life on this farm? Options: Clay, Silt, Sand, Silt-Sand

Back

Silt-Sand

Front

A soil scientist was examining a sample of soil and trying to determine the kind of rock that weathered to make it. Which rock is most likely the kind of rock that produced that sediments that made the soil sample? Options: Rock 1, Rock 2, Rock 3, Rock 4

Back

Rock 2

Front

Enlarged images of the particles that make up four soils are shown. Which soil particles have the roughest texture? Soil A, Soil B, Soil C, Soil D

Back

Soil D