Soil Science

_______ 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

Which of the following is NOT one of the three types of soil?

• clay
• sand
• silt
• mud

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.MS-LS2-3

Which of the following is the largest particle in soil?

• sand

• silt

• clay

Which type of soil can hold the most water?

• sand

• silt

• clay

• loam

Manuel needs some soil for his vegetable garden. Which soil will probably be the best?

• Rocky

• Sandy

• Loam

• Clay

As plant and animal remains rot, they become humus. What does humus add to soil?

• Air

• Water

• Nutrients

• Rock

Tags

NGSS.MS-LS2-3

How could you best identify the texture of a sample of soil?

• Use a hand lens to observe the soil.

• Feel of the soil to see how it feels

• Measure the amount of water that the soil can hold.

• Measure the mass and volume of the soil.

Which soil retained the most water?

• Soil A

• Soil B

Tags

NGSS.MS-ESS2-4

How can you separate a mixture of sand and gravel?

• a funnel

• a sieve

• a magnet

• hands