Soil Formation

Soil Formation (Review)

Multiple Choice

True or False.

Soil is formed when the bottom layer of Earth, bedrock is broken into smaller pieces. These pieces mix with air, water, and humus to make soil.

• True

• False

Let's take a closer look!

Multiple Choice

_________is when the bedrock layer is broken down into smaller pieces. This can be caused by plants, animals, and water.

• Erosion

• Weathering

Multiple Choice

_________is when rocks and weathered rocks are moved from one place to another. Water and wind are the two main causes of this movement.

• Erosion

• Weathering

Lesson Wrap Up

• Soil is formed when the bottom layer of Earth is broken up into smaller pieces.

• Weathering is when the bedrock layer is broken down into smaller and smaller pieces. This can be caused by animals, plants, and water.

• Erosion is when rocks and weathered rock are moved from place to place. Water and wind are the two main causes of this movement.

Poll

Do you understand how soil is formed?

• Yes, I understand how soil is formed, and I can explain it.

• I understand how soil is formed, but I need to review the lesson to make sure I can explain it if asked.

• No, I do not understand how soil is formed. I cannot explain how soil is formed. I will visit Mrs. Salley at 1:45 for extra help.