Soil

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-ESS2-1

What do we call the layers of soil?

• Deposits
• Horizons
• Minerals
• Rocks

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Tags

NGSS.MS-ESS2-1

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

• topsoil
• undersoil
• subsoil
• bedrock

Tags

NGSS.MS-ESS2-1

What is the layer of soil just below the topsoil?

• soil
• subsoil
• topsoil
• terrace farming

Tags

NGSS.MS-ESS2-1

Decayed organic material in soil is called______.

• Litter
• Silt
• Humus
• Clay

Tags

NGSS.MS-LS2-3

The MAIN  thing Decomposers do for the soil is the following:

• Store moisture
• Burrow deep in the soil
• Make space for air and water
• Break down and digest dead organisms

Tags

NGSS.MS-LS2-3

It is important for soil to retain water to 

• withstand weathering
• erode more slowly
• help plants to grow
• keep it from being dry

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-5

If soil particles are large, then 

• more water is retained
• less water is retained

Tags

NGSS.MS-ESS2-4

How do you determine the texture of soil?

• use a spring scale
• observe color of particles
• rub particles between fingers
• taste particles