Earth Science B Unit 7 Test Review

Made of small fine soil particles & other organic matter. Plant roots, fungi, & earthworms live in the horizon. It is typically 2-10ft deep.

• A Horizon

• C Horizon

• Bedrock

• O horizon

• B Horizon

Made of solid rock & nothing lives in the layer

• A Horizon

• C Horizon

• Bedrock

• O horizon

• B Horizon

What are the 3 textures of soil? (choose all the correct answers)

• Sand

• Silt

• Rock

• Clay

Which horizon is made up of partially weathered rocks?

• Horizon A
• Horizon B
• Horizon C
• Horizon D or R

Which horizon contains clay, silt, and minerals, and is commonly referred to as subsoil?

• Horizon A

• Horizon B

• Horizon C

• Horizon D or R

What type of fault is this?

• Normal
• Reverse
• Strike-slip

What type of fault is this?

• Normal
• Reverse
• Strike-slip

What type of fault is this?

• normal fault

• reverse fault

• strike-slip fault

Which type of climate would cause the greatest rate of weathering?

• Cold and dry

• Warm and humid (wet)

• Cold and humid (wet)

• Warm and dry

The diagrams shows a rock with water trapped in the cracks during the day and at night.

Which statement best explains why this process results in weathering?

• frozen water acts as a solute

• the mass of water increases when it freezes

• water expands when it freezes

• frozen water dissolves most types of rock