Chapter 5 - Lesson 2 Review

A mixture of weathered rock, organic material, rock fragments, water, and air is known as _______.

• dirt

• soil

• dinner

• humus

All life on Earth depends on soil.

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Small holes and spaces in soil are ________.

• texture

• sand

• sediment

• pores

Smaller particles = larger pores

• True

• False

Identify the example of organic material.

• leaves

• dead insects

• waste products

• all of the above

The process of changing once living material into dark - colored organic matter is known as _______.

• composition

• destruction

• spoiling

• decomposition

All are properties that organic matter gives to soil EXCEPT

• dark color

• holds water

• nutrients to plants

• small pores

Materials that have never been alive are ________materials, and they are developed by __________ and _______weathering

• inorganic, mechanical, direct

• inorganic, mechanical, chemical

• organic, mechanical, chemical

• organic, mechanical, physical

The starting material of soil is called _____.

• biota

• topography

• parent material

• climate

Weathering is sped up in climates that are

• warm and wet

• have frequent temperature changes

• dry

• both a and b

Tags

NGSS.MS-ESS2-2