3rd Grade Soil Study Guide

What is the definition of soil?

• The upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles

• A stiff, sticky fine-grained earth, typically yellow, red, or bluish-gray in color and often forming a water resistant layer in the soil.

• A loose granular substance, typically pale yellowish brown, resulting from the erosion of rocks and forming a major component of beaches, riverbeds, the seabed, and deserts.

Which is not a type of soil?

• clay

• loam

• mineral

• sand

What is clay?

• The upper layer of earth in which plants grow; a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.

• A stiff, sticky fine-grained earth, typically yellow, red, or bluish-gray in color and often

• A loose granular substance, typically pale yellowish brown, resulting from the erosion of rocks and forming a major component of beaches, riverbeds, the seabed, and deserts.

Soil is a mixture of materials. Which is not a part of soil?

• dead animals

• dead plants

• plastic

• rock

What is sand?

• The upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.

• A stiff, sticky fine-grained earth, typically yellow, red, or bluish-gray in color and often forming a water resistant layer in the soil.

• A loose granular substance, typically pale yellowish brown, resulting from the erosion of rocks and forming a major component of beaches, riverbeds, the seabed, and deserts

The best soil to grow plants is....

• beach soil

• desert soil

• forest soil

• rocky soil

Tags

NGSS.MS-LS1-5

What is loam?

• The upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.

• A soil with roughly equal proportions of sand, silt, and clay.

• A loose granular substance, typically pale yellowish brown, resulting from the erosion of rocks and forming a major component of beaches, riverbeds, the seabed, and deserts

Use the chart to answer the following question....

Eric squeeze some wet soil in his hand. It is not sticky and it falls apart. Which type of soil is it?

• sand

• loam

• clay