Soil and Agriculture Review

Which of the following is the correct order of soil particles in order of increasing particle size?

• clay-sand-silt
• sand-clay-silt
• silt-clay-sand
• clay-silt-sand

Soil sample that is 60% clay, 30% silt, and 10% sand has which texture? 

• clay
• clay loam
• sandy loam
• silt 

Which is the correct order of soil horizons starting at the surface?

• A, B, E,C, O
• O, A, B, C, E
• O, E, A, B, C
• O, A, E, B, C

The deep, underlying non-soil materials

• B horizon
• E horizon
• O horizon
• Bedrock

Tags

NGSS.MS-ESS2-2

The rate at which water flows through the soil is called soil percolation or ______.

• Groundwater

• Permeability

• Soil Pores

• Porosity

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which soil component has the least capacity for holding water?

• silt
• clay
• sand
• humus

Tags

NGSS.HS-ESS2-5

The layer(s) of soil in which most of the humus and soil organisms are contained:

1- leaf litter, horizon O

2- topsoil, horizon A

3- subsoil, horizons B and C

• 1 only

• 2 only

• 1 and 2 only

• 2 and 3 only

• 1, 2, and 3

Tags

NGSS.MS-LS2-3

_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.

• loam
• humus
• soil
• dirt

Tags

NGSS.MS-LS2-3

Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made the topsoil feel gritty?

• clay
• sand
• silt
• humus

Tags

NGSS.5-PS1-3

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

• sand
• silt
• clay
• humus

Tags

NGSS.5-LS2-1