Soil and water monitoring championship

Land makes up only about ......... of the Earth's surface

• 30%

• 20%

• 40%

• 3%

How many horizons are in the soil profile?

• 2

• 4

• 5

• 6

A pH level of 2 means the soil/water is

• neutral

• alkaline

• acidic

• very alkaline

What are soil horizons?

• The layers of soil when you cut soil like a cake

• a soil horizon is a layer parallel to the soil surface

• both

• none

a pH of 7, suggests that the substance is

• neutral

• well-done

• basic

• acidic

which is the smallest soil particle?

• silt

• sand

• gravel

• clay

The deepest temperature zone in a water body

• Epilimnion

• Thermocline

• Thermometer

• Hypolimnion

a community of specialized plants and animals inhabiting the thin surface of film of water bodies

• pristine

• phytoplankton

• neuston

• limnets

The bottom layer in a soil profile is the

• bedrock

• O horizon

• E horizon

• organic matter

SOM in soil properties stands for:

• Soil organic method

• Soil Original sampling method

• Soil organic matter

• sampling organic matter