Soil Evidence Quiz - Forensic Geology

Soil with a gritty texture is most likely heavily composed of:

• sand
• silt
• clay
• gravel

Soil with a smooth texture is most likely heavily composed of:

• sand
• silt
• clay
• gravel

What soil type would 30% clay and 40% silt, and 30% sand be?

• clay
• silty clay
• clay loam
• silty clay loam

What soil type would 20% clay and 70% silt, and 10% sand be?

• sandy loam
• silty clay
• clay loam
• silt loam

Which of the following is NOT a main grain size?

• sand
• silt
• soil
• clay

Which horizon is made up of partially weathered rocks?

• Horizon A

• Horizon B

• Horizon C

• Horizon D or R

In which horizon is most of the HUMUS?

• Horizon A

• Horizon B

• Horizon C

• Horizon D or R

Tags

NGSS.MS-LS2-1

_______ 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

Tags

NGSS.MS-LS2-3

Are there minerals in soil?

• Yes
• No

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

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.5-LS2-1