4th Quarter Quiz 1 in Science 4- Plovercrest

It is the topmost layer of the soil.

• a. Top soil

• b. sub-soil

• c. regolith

• d. bedrock

It is the layer next to topsoil.

• a. top soil

• b. sub-soil

• c. regolith

• d. bedrock

This layer is also known as the parent rock.

• a. top soil

• b. sub-soil

• c. regolith

• d. bedrock

This layer is rich in organic matter.

• a. top soil

• b. sub-soil

• c. regolith

• d. bedrock

It is a solid piece of unbroken rock where the parent rock came from.

• a. top soil

• b. sub-soil

• c. regolith

• d. bedrock

Soil is composed of different layers with different compositions and characteristics.

• True

• False

Each layer of the soil is called humus.

• True

• False

Porosity refers to the spaces between soil particles.

• True

• False

The three types of soil are clay, sand, and loam.

• True

• False

The darker the soil is, the less organic matter it contains.

• True

• False