Unit 2 Test (Soil and Nutrients)

the upper layer of earth in which plants grow, a black or dark brown material

• Soil
• land
• dirt
• loam

space and the surface of earth’s surface not covered by water

• Soil
• land
• dirt
• loam

If land is "arable", that means?

• It's dry like a desert
• It's suitable for GROWING crops
• land ideal for raising animals
• it's very swampy and wet land

an unclean matter, especially when in contact with a person's clothes, skin, or possessions. Examples include dust and debris.

• Soil
• land
• dirt
• loam

chemical element, the chemical backbone of all life on Earth. All living things (cells, plants, animals), are made of ____________based structures.

• carbon
• nitrogen
• oxygen
• potassium

composed of material from nonliving sources; rocks, sand, and minerals are examples. May or may not contain carbon.

• organic
• soil
• carbon
• inorganic

material that is made of living or once-living organisms; food scraps, yard trimmings, paper are examlples. Material from living organisms, contain carbon

• organic
• soil
• carbon
• inorganic

An inorganic component of soil, the smallest of the three soil particle sizes; measuring less than 0.002 mm

• clay
• sand
• silt
• loam

An inorganic component of soil, the largest mineral soil particles, measuring between 2.00 and 0.05 mm.

• clay
• sand
• silt
• loam

The inorganic material composed of fine mineral particles in size between sand and clay.

• clay
• sand
• silt
• loam