1D Soil and Horizons Quiz

Largest soil particle, but fine and hard with a gritty feel, it does not hold water well and has little nutrients

• clay
• sand
• soil
• silt

The loose upper layer of the Earth's surface where plants grow; a mix of organic material (decayed plants and animals) and broken bits of rocks and minerals

• silt
• loam
• rock
• soil

Medium soil particle, smoother in texture and hold water better and is heavier than sandy soils. It also has more nutrients which makes it better for crops

• silt
• sand
• clay
• loam

A solid made up of two or more different minerals, they are classified by how they were made or formed

• rock
• mineral
• loam
• sand

The remains of dead plants and animals found in the soil

• humus
• silt
• loam
• sand

Soil that is an even mix of sand, silt, and clay; is the best for growing crops. It is full of nutrients from decomposed organic material. It is soft and easy to cultivate

• loam
• rock
• mineral
• subsoil

Smallest and finest soil particle they stick together very well and does not drain well. It has very little air spaces

• clay
• soil
• sand
• topsoil

A naturally occurring solid substance that is made of chemicals and removed from the ground usually for humans to use

• mineral
• rock
• silt
• sand

A layer of soil with its own properties

• soil horizon
• subsoil
• A horizon
• B horizon

Solid rock that lies beneath the soil

• bedrock/R horizon
• subsoil/B horizon
• topsoil/A horizon
• parent rock/C horizon