Soil Review

What role does soil play in healthy ecosystems?

• Soil provides nutrients and water to plants, supports biodiversity, and helps in water filtration.

• Soil is only a medium for plant roots and has no other significant role.

• Soil is primarily responsible for the production of oxygen in ecosystems.

• Soil acts as a barrier to prevent plant growth.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

What happens to an ecosystem when soil is lost?

• The ecosystem thrives and becomes more diverse.

• The ecosystem remains unchanged.

• The ecosystem suffers and may collapse.

• The ecosystem becomes more resistant to changes.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How do plants gather energy?

• By absorbing water

• By absorbing sunlight

• By absorbing nutrients

Tags

NGSS.MS-LS1-6

Matter is obtained from two sources. What are they?

• Carbon dioxide from the air and water from soil

• Oxygen from the air and nitrogen from soil

• Carbon dioxide from the air and nutrients from soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Fill in the blank: Plants gather ______ by absorbing sunlight.

• energy

• water

• nutrients

• oxygen

Tags

NGSS.MS-LS1-6

What is humus in soil?

• Partially decomposed plant and animal matter

• Rock particles

• Water

• Living organisms

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

What do rock particles in soil contain?

• Vitamins

• Minerals such as iron, potassium, sulfur, and phosphates

• Proteins

• Carbohydrates

Tags

NGSS.MS-ESS3-1

Fill in the blank: Soil contains ______, which is essential for plant growth.

• Water

• Sand

• Rocks

• Air

Tags

NGSS.MS-LS2-1

Fill in the blank: Soil is composed of air, which is important for ______.

• Living organisms

• Photosynthesis

• Evaporation

• Condensation

Tags

NGSS.MS-LS1-6

Which of the following is a component of soil?

• Plastic

• Metal

• Living organisms

• Glass