Soils Envirothon Practice
Authored by Jordana Azore-Fareed
Science
9th - 12th Grade
NGSS covered
Used 15+ times
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146 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
The O Horizon contains mostly..
Organic Matter
Rocks
Boulders
Houses
Answer explanation
Remember that the O Horizon is made up mainly of organic matter such as leaf litter. A trick to remember..... O Horizon & (O)rganic.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
2.
REORDER QUESTION
30 sec • 5 pts
Reorder the following soil layers from BOTTOM layer to TOP layer.
Bedrock
Topsoil
Parent Material
Subsoil
Humus
Tags
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unweathered bedrock
O Horizon
A Horizon
B Horizon
C Horizon
R Horizon
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are soil layers called?
Rock
Horizons
Layers
Profile
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What location contains thicker O-horizons?
Forests
deserts
grasslands
ocean floor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What part of the soil is the A-horizon?
subsoil
bedrock
topsoil
rocks
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process by which rock is broken down into smaller particles by exposure to the elements?
Weathering
Erosion
Profiling
Deconstructtion
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