Weathering and Soil Quiz

The type of weathering in which rock is physically broken down into smaller pieces is called

• chemical weathering

• mechanical weathering

• erosion

• oxidation

Which of the following is not an agent of mechanical(physical) weathering?

• abrasion

• acid rain

• animal burrowing

• release of pressure

The process of frost or ice wedging is an important cause of weathering rocks in which type of climate?

• cold and wet

• cold and dry

• hot and dry

• hot and humid

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Some rocks weather more easily because they are permeable. Permeable means that a rock is

• solid and dense

• full of tiny, connected air spaces or holes that allow water to enter

• made from lava

• made from limestone

Tags

NGSS.MS-ESS2-4

Soil is a mixture of which of the following?

• rock particles

• decayed organic matter (humus)

• water and air

• All of the above

A soil horizon is

• the layer of soil that differs in color and texture from the layers above or below it.

• a measure of how much humus is found in the soil.

• another name for farm land seen in the distance.

• always 6 feet thick.

The solid layer of rock beneath the soil is called

• loam

• topsoil

• subsoil

• bedrock

Organisms such as earthworms and mushrooms that break down organic matter (dead animal and plant remains) are called

• decomposers

• fertilizers

• consumers

• parasites

Tags

NGSS.MS-LS2-3

Fertile soil is an important natural resource because

• everything that lives on land depends on soil.

• there is an unlimited supply of fertile soil.

• plants cannot grow in fertile soil.

• it is easy to replace and make soil.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The pH scale measures soil

• moisture

• dryness

• acidity

• texture