Chapter 13: Soil Examination

Decayed organic material in soil is called______.

• Litter
• Silt
• Humus
• Clay

What does weathering mean?

• To form or create new
• To build up
• To break down
• To completely destroy

Which of the following is the largest particle in soil?

• sand
• silt
• humus
• clay

Which layer of the soil profile contains a solid layer of rock?

• 1
• 2
• 3
• 4

True or False: Sand has less humus than other soils.

• True

• False

What is the finest soil particles that can absorb and hold water?

• humus

• sand

• clay

• silt

What is the study of rocks and soil?

• Geology

• Meteorology

• Crystalogy

• Sedimentology

What are granules of fine rock particles?

• humus

• sand

• clay

• silt

A cross-section of layers, or horizons, in the soil that have distinct compositions and properties...

• soil

• horizon

• soil profile

• sediment

Which would most likely indicate the presence of a recent gravesite?

• soil level raised, increased plant life

• soil level lowered, increased plant life

• soil level lowered, no plant life on the surface

• soil level raised, no plant life on the surface