Level 1 Questions
Level 2 Questions
Level 3 Questions
Level 4 Questions
Random Bonus
100
The portion of the Earths surface consisting of disintegrated rock and soil
What is soil
100
The gradual destruction or diminution of something
What is erosion
100
The ability to conserve water and survive in periods of dryness
What is Drought resistant
100
The underlying geological material in which soil horizons form
What is parent material
100
The largest reef system in the world
What is the Great Barrier Reef
200
To wear away or change the appearance or texture of something by long exposure to air
What is weathering
200
The state, quality and yield of producing something, especially crops
What is productivity
200
Severe dust storms that occurred during the Dust Bowl that limited visibility to a few feet
What is Black Blizzard
200
The farming practice of ploughing and/or planting across a slope following its elevation contour lines.
What is Contour planting
200
An English naturalist who developed the idea of natural selection and changed the way we think about evolution
Who is Charles Darwin
300
Unbroken solid rock
What is bedrock
300
Period of severe dust storms and drought that severely damaged agriculture during the 1930s
What is Dust Bowl
300
The dark organic matter in soil
What is humus
300
The action or system of rotating crops
What is crop rotation
300
The largest land based mammals
What is an Elephant
400
A solid inorganic substance of natural occurrence
What is a mineral
400
An agency within the United states department of Agriculture that provides technical assistance to farmers
What is the Soil Conservation Service
400
A simple dry fruit contained within a shell or pod
What is a Legume
400
A thing, such as a row of trees or a fence, wall, or screen, that provides shelter or protection from the wind.
What is Windbreak
400
The cause for around three quarters of the increase in CO2 levels from human activity over the last 20 years
What is the burning of fossil fuels
500
To expose to air
What is aeration
500
The cultivation of plants by placing the roots in liquid nutrient solutions
What is Hydroponics
500
A fertile soil of clay and sand containing humus
What is loam
500
The top layer of soil
What is top soil
500
The three Rs in the waste hierarchy
What are Reduce, Reuse and Recycle
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