Soil Formation

Soil Formation

Assessment

Interactive Video

Social Studies

6th Grade

Practice Problem

Hard

Created by

Tracy Heffelfinger

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soil is derived from what?

Dead organisms 

Bedrock 

Limestone 

Volcanic Rock 

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Weathering, such as rain, wind, and heat, fractures bedrock into smaller pieces helping it to break down to eventually form soil. 

True 

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can use the minerals available in the rocks and start to grow in the nooks and crevasses?

Microscopic organisms such as vertebrates and nematodes.

Microscopic organisms such as segmented worms

Microscopic organisms such as microbes and algae.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Those microscopic organisms perform what 2 processes that help pave the way for lichen by creating organic material. 

Oxygen and Carbon Fixation 

Nitrogen and Oxygen Fixation 

Carbon Dioxide and Nitrogen Fixation 

Oxygen and Carbon Dioxide Fixation 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the lichen break down the rock it lives on?

Secretion of Acid leading to chemical breakdown

Erosion of rock leading to a physical breakdown

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does it take for 1 cm of topsoil to form?

500 days 

25 years 

10,000 years 

500 years 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is costing our economy 1.2 billion dollars a year through farming practices?

Terra farming

Soil degradation

Climate Change

Crop rotation

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