Soil Review

Front

How is soil formed?

Back

Over thousands of years.

Front

What affects the rate at which a rock weathers? Options: Surface area, Texture, Pore space, Contour

Back

Surface area

Front

Chemical weathering changes a rock's...
Options: Texture, Composition, Exfoliation, Pore Space

Back

Composition

Front

In what part of the soil profile is the organic material found?

Back

A horizon, upper layer of soil

Front

Weathering is the physical or chemical breakdown of what?

Back

rocks

Front

Why is it difficult for water to move through soil?

Back

Little or no pore space

Front

Most of the matter that breaks down to form humus comes from what?
Options: Minerals, Plants, Rocks, Clay

Back

Plants

Front

The process in which something is worn down by rubbing one object or surface against another is called? Options: Exfoliation, Abrasion, Rotation, Tumbling

Back

Abrasion

Front

What does the way that water in the soil dissolves nutrients depend upon?

Back

Chemistry of the soil

Front

What is the main component of soil?

Back

Rock particles