Soil-Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is weathering? | When rocks are worn away
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| What is Erosion? | When sediment left from weathering is moved
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| What is the very top layer above soil? | Litter
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| What order do the soil horizons go in? | Litter, Topsoil, Subsoil, Horizon C, and Bedrock
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| What layer of soil is mostly made of small pieces of weathered rock? | Horizon C
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| What is Topsoil mostly made of, and what is the thing in Topsoil mostly made of? | Humus, and humus is made of the remains from dead plants or trees,(twigs, leaves, roots, etc)
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| What is the most fertile layer of soil that is best for farming? | Topsoil
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| What is bedrock? | The very bottom layer under Horizon C which is all not weathered rock
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| What is Subsoil? | Subsoil is the second layer down that is made of mostly clay. (Not good for farming)
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| What are decomposers? | Decomposers are animals such as worms that take the remains of dead organisms and break them down helping them become humus
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| How can soil Erosion effect the world? | It can blow it all away with wind erosion if its not planted right and create the Dust Bowl
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| What is the Dust Bowl? | A dust storm that killed many people because there was a drought and the soil wasn't being farmed right
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| How long did the Dust Bowl last? | 10 years
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| What are the two different kinds of weathering? | Mechanical and Chemical weathering
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| What are the four things that cause Erosion to happen? | Ice, Running water, Waves, and Wind
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| What does permeable mean? | A substance or object has tiny holes in it which allows water to pass through it
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| How are weathering and erosion different? | Weathering wares the substance away and erosion moves the substance
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| Which soil horizon has a reddish brown color? | Horizon B or Subsoil
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| What is the texture and color of Horizon A or Topsoil | It is crumbly and brown
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| Why is Topsoil the best for farming? | It contains a lot of humus so it is very rich and full of nutrients.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
16sabbate
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