Soils - Chapter 1

Soil is a naturally occurring material composed of firmly bonded mineral particles.

a. True

b. False

False

Soil is the conglomeration of natural occurring mineral particles which are readily separated into smaller pieces.

a. True

b. False

True

What produces sedimentary rocks?

a. Erosion and deposition

b. Cementation and compaction

c. Cooling and solidification of magma

d. None of the above

Cementation and compaction

What produces sedimentary rocks?

a. Weathering

b. Lithification

c. Crystallization

d. None of the above

Lithification

Mechanical weathering produces: [Select all that apply]

a. Gravel

b. Sand

c. Silt

d. Clay

Gravel, Sand, Silt

Chemical weathering produces: [Select all that apply]

a. Gravel

b. Sand

c. Silt

d. Clay

Sand

Characteristics of clays depend on:

a. Parent rock

b. Environment where weathering took place

c. Duration of chemical alteration

d. All of the above

All of the Above

Soils that stay where they were formed and cover the parent rock are known as:

residual sails

What is an example of organic soils?

a. Silt

b. Highly plastic silt

c. Clayey silt

d. Peat

Peat

Organic soils are highly compressible, making them suitable for supporting foundations.

a. True

b. False

False

The slow movement of soil down a slope is called:

creep

The sudden and rapid movement of soil down a slope is called:

landslide

Mudflow is a type of:

a. Residual soil

b. Gravity transported soil

c. Alluvial transported soil

d. None of the above

Gravity transported soil

Deltas are the product of:

a. Lacustrine deposits

b. Alluvial deposits

c. Aeolian deposits

d. Glacial deposits

Lacustrine deposits

Dunes are the product of:

a. Lacustrine deposits

b. Alluvial deposits

c. Aeolian deposits

d. Glacial deposits

Aeolian deposits