m2 soil profiles

Which is the correct order of the six soil horizons from the top down?

• A, B, C, E, O, R

• O, A, E, B, C, R

• O, E, A, B, C, R

• O, A, E, B, R, C

Put the following in order of its concentration of organic matter (low to high).

I O

II E

III A

• III, II, I

• III, I, II

• I, II, III

• II, III, I

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which soil horizon contains a high concentration of minerals, but not much organic matter?

• A

• B

• E

• O

Which colour is typical of an A horizon?

• 
• 
• 
• 

Which soil horizon is likely to contain the most clay?

• A

• B

• C

• O

In the picture, which horizon is identified by the arrow?

• A

• B

• C

• E

• R

Tags

NGSS.MS-ESS1-4

Which soil horizon is identified in the profile in the image?

• A

• B

• C

• E

Which colour is typical of an B horizon especially in Thailand?

• 
• 
• 
• 

Labels the horizons in the image.

d

e

f

c

B

C

O

A

E

R

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which word describes the downward movement of nutrients with the inflitration of water?

• Bleeding

• Leaking

• Leaching

• Bleaching