Topic 5.1: Intro to Soil Systems

The major nutrients that plants need are..

• Nitrogen, Potassium, Calcium

• Nitrogen, Carbon dioxide, Oxygen

• Nitrogen, Potassium, Phosphorus

• Phosphorus, Titanium, Nitrogen

Tags

NGSS.MS-LS2-1

What is humus?

• soil
• organic matter
• loam
• minerals

Tags

NGSS.MS-LS2-3

Which of the following orders sediment particle size from smallest to largest?

• silt, sand, clay
• sand, silt, clay
• clay, sand, silt
• clay, silt, sand

Which of the following describes the size and proportions of particles in soil?

• soil texture
• soil fertility
• soil structure
• soil arrangement

Which of the following describes how well soil can grow plants?

• soil texture
• soil fertility
• soil structure
• soil arrangement

Tags

NGSS.MS-LS1-5

Which of the following describes the arrangement of particles in soil?

• soil texture
• soil fertility
• soil structure
• soil arrangement

Which horizon contains topsoil and organisms?

• R

• C

• B

• A

Which horizon is between A and B horizons?

• R

• C

• E

• O

Which horizon contains organic matter?

• R

• O

• E

• B

Which horizon contains parent material?

• R

• O

• C

• A