Front

What is soil primarily composed of?

Back

Weathered rock, organic matter, water, and air.

Front

Which sediment size is the most permeable (allows water to move through the easiest)?

Back

Gravel.

Front

What is the term for the movement of water across the surface of the Earth that does NOT soak into the ground?

Back

Runoff.

Front

Which of the following lists the soil particles in order from LARGEST to smallest?

Back

Gravel, sand, silt, clay.

Front

Which of the following is NOT one of the three major watersheds of Virginia?

Back

Great Lakes.

Front

What is the definition of a watershed?

Back

A watershed is an area of land where all the water that falls as precipitation drains into a common outlet.

Front

What role does organic matter play in soil?

Back

Organic matter improves soil structure, provides nutrients, and enhances water retention.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.

Front

What is infiltration in the context of the water cycle?

Back

Infiltration is the process by which water on the ground surface enters the soil.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breakdown of rocks and minerals, while erosion is the movement of those materials from one location to another.