Which of the following are components of soil? (Select ALL that apply)

• water

• minerals

• organic matter

• air

• light

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Match each component with its percentage in soil,

• 25%

• Organic Matter

• 25%

• Air

• 5%

• Water

• 45%

• Minerals

What are the 5 factors that affect the development of soil?

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-1

NGSS.MS-LS2-3

It can take from 15 to hundreds of years to form one __ of soil

Which of the following changes the chemical composition of rock during weathering?

• Physical Weathering

• chemical weathering

• biological weathering

• all of the above

Which of the following create physical weathering? (Select ALL that apply)

• wind and rain

• water freezing

• thermal expansion and contraction

• tree roots

Which of the following create biological weathering? (Select ALL that apply)

• tree roots

• water

• wind

• lichens

Which of the following create chemical weathering? (Select ALL that apply)

• tree roots

• water

• gases

• thermal expansion

Tags

NGSS.MS-ESS2-4

_____ refers to the breakdown of complex molecules into simpler molecules.

_____ is a key element found in organic molecules.

Tags

NGSS.HS-LS1-6

NGSS.HS-LS2-5