(6) Soil and Weathering

Geologists infer from the rounded, eroded shapes of the Appalachian mountains that ...

• the mountains formed a few years ago

• the mountains are made of soft rock

• the mountains have been eroding for millions of years

• uniformitarianism does not appy

Tags

NGSS.MS-ESS2-2

The process by which natural forces move weathered rock and soil from one place to another is called

• abrasion

• soil conservation

• deposition

• erosion

A marble statue is left exposed to weather. After a few years the details on the statue have begun to wither away. The weathering is probably caused by...

• oxygen

• abrasion

• carbonic acid in the rain

• lichens

Tags

NGSS.MS-ESS2-2

Soil layer horizon B is made up of...

• topsoil

• partly weathered rock

• humus only

• clay minerals and a little humus

Two factors that determine the rate of weather are...

• carbon dioxide and acid rain

• rock type and climate

• araision and acid from plant roots

• animal actions and oxygen

Tags

NGSS.MS-ESS2-6

Earthworms add their waste to the soil, then die and decay, they are helping in the formation of ...

• humus

• loam

• clay

• silt

Tags

NGSS.MS-LS2-3

Loam is mostly made up of...

• pure humus

• sand and gravel

• mostly clay

• nearly equal amounts sand, silt and clay

Creep, landslides, mudflows and slump are examples of

• runoff

• mechanical weathering

• soil formation

• mass movement

Tags

NGSS.MS-ESS2-2

When the land is restored to an area that is more natural and productive it is called....

• erosion

• desertification

• land reclamation

• nutrient depletion

Tags

NGSS.MS-LS2-5

Animal actions is a common type of ___________ weathering

• chemical

• mechanical

• erosion

• land