Exit Ticket: 5.1, Soil as a System

What is the name of Soil Horizon O?

• Bedrock
• Topsoil
• Organic Layer
• Subsoil

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

What is the name of Soil Horizon B?

• Subsoil
• Topsoil
• Bedrock
• Transition Zone

Soil is formed slowly through the weathering of materials called ___.

• Bedrock or parent material
• Magma and lava
• organic matter
• leaves and litter

Name that layer!
Layer where soil accumulates (holds) nutrients such as nitrogen and phosphorus.

• Topsoil
• Subsoil
• Bedrock
• Transition Zone

The tool we use to identify soil based on percentages of silt, sand and clay.

• Soil Texture Triangle
• Soil Texture Square
• Chromotography 
• An expensive filtration system

Which of the following is the largest particle in soil? (Hint: it fell to the bottom of the mason jar!)

• sand

• silt

• humus

• clay

You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of?

• clay
• sand
• humus
• silt

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 is a soil problem all farmers face?

• soil hardening
• soil erosion
• soil spoiling
• soil pollution

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Soil sample that is 60% clay, 30% silt, and 10% sand has which texture?

• clay

• clay loam

• sandy loam

• silt