PROPERTIES
These are the three main mineral particles that make up soil.
What are sand, silt, and clay?
What microorganism grows in the soil and transports nutrients it decomposes to the plant roots in exchange for sugar.
What are fungi?
These are the two main forms of weathering.
What are physical and chemical?
This is the percentage of water that should be in soil.
What is 25 percent?
This is what a trowel is used for.
Out of these three minerals classifications that make up soil: sand, silt, and clay, which one can hold the most water?
What is clay soil?
These are the two main microorganisms that perform decomposition.
What are bacteria and fungi?
This is what forms as a result of the weathering process.
What are smaller rocks?
This is percentage of air that should be in soil.
What is 25 percent?
These are the common uses for a metal rake
What is to collect or flatten material?
This word refers to the composition of the soil based on the sizes of the particles.
What is texture?
Earthworms help make air space in the soil by doing this.
What is tunnelling?
This is an example of chemical weathering.
What is acid rain or lichen?
This is the percentage of organic matter that soil should contain.
What is ten percent?
This is what we do to all tools before putting them away.
What is rinse them with water?
This is the measure of empty spaces in the soil.
What is porosity
What are carbon dioxide and water?
This is an example of physical weathering.
What is water freezing, water crashing, etc.
This is the percentage of minerals that soil should contain.
What is 40 percent?
These are what we wear on our hands to protect them while weeding.
What are gloves?
This is what it means to say that a "land can perc"
What is water can pass through the soil?
These are the three main components that affect the rate of decomposition.
What are temperature, humidity, oxygen availability?
This kind of rocks forms after sediment collects at the bottom of a river and gets compacted.
What is sedimentary rock?
These grow in soil to help it stick together better.
What are the roots of plants?
The earth is this many years old.
What is 4.5 billion years old?