WorksheetsPer. 6 Agriculture & Soil Ch. 12 Sect 1, 2, 3 & 4
Total questions: 66
Worksheet time: 34mins
The Base geological material in a particular location
Soil
Parent Material
Bedrock
Loam
Soil with a relatively even mixture of sand, silt & clay
Soil
Parent Material
Bedrock
Loam
The continuous mass of solid rock that makes up Earth’s crust
Soil
Parent Material
Bedrock
Loam
A complex plant supporting system made up of disintegrated rocks, remains, and wastes of organisms, water, gases, nutrients, and microorganisms
Soil
Parent Material
Bedrock
Loam
Physical and chemical processes that break down rocks and minerals into smaller particles
Weathering
Soil horizon
Soil profile
Silt
A distinct layer of soil
Weathering
Soil horizon
Soil profile
Silt
A cross-section of all the soil horizons in a specific soil
Weathering
Soil horizon
Soil profile
Silt
Mineral matter and organic matter together make up about 50 percent of soil. What two substances make up the other 50 percent?
Clay & Silt
Water & Sand
Air & Sand
Air & Water
Decomposition of formerly living things allows nutrients to be incorporated into the soil.
True
False
Which layer of soil has the most plant nutrient available?
Clay
Sand
Top Soil
Silt
Chemical weathering causes rocks to break down into smaller particles.
True
False
Darker soil has __________ concentration of humus & nutrients, than pale soil
More
Less
As we move down the soil profile, the concentration of organic material __________ and particle size ______________
Increases & Decreases
Decreases & Increases
Increases & Does Not Change
Does Not Change & Increases
Which layer of the Soil Horizon contains the most organic matter?
E Horizon
R Horizon
A Horizon
O Horizon
Which layer of the Soil Horizon do minerals and organic matter leach out of to the layers below?
E Horizon
R Horizon
A Horizon
O Horizon
Which layer of the Soil Horizon is considered to be topsoil?
E Horizon
R Horizon
A Horizon
O Horizon
When the pore size between particles is small, it allows for water and air to circulate through the soil to the roots, being the best type of soil for growth.
True
False
The deterioration of soil characteristics needed for plant growth or other ecosystem services
Intercropping
Soil Degradation
Shelterbelt
Contour Farming
A row of trees or other tall perennial plants that are planted at the edges of a field to slow the wind
Intercropping
Soil Degradation
Shelterbelt
Contour Farming
Planting on a hill that has been plowed sideways, perpendicular to its slope
Intercropping
Soil Degradation
Shelterbelt
Contour Farming
Planting different crops in mixed arrangements
Intercropping
Soil Degradation
Shelterbelt
Contour Farming
Alternating the crops grown in a field
Crop rotation
Cover crop
Tilling
Terracing
The turning-over of soil before planting
Crop rotation
Cover crop
Tilling
Terracing
Turning a steep slope into a series of steps
Crop rotation
Cover crop
Tilling
Terracing
A crop planted to reduce erosion after a field has been harvested and before the next planting
Crop rotation
Cover crop
Tilling
Terracing
The buildup of salts in upper soil horizons
Overgrazing
Salinization
Pesticide
Desertification
A chemical that kills organisms that attack or complete with plants
Overgrazing
Salinization
Pesticide
Desertification
Too many animals eating too much plant cover, impeding regrowth
Overgrazing
Salinization
Pesticide
Desertification
A loss of more than 10 percent of productivity due to erosion or other factors
Overgrazing
Salinization
Pesticide
Desertification
The best way to prevent salinization in dry areas is to plant crops that do not need a lot of ________ and put in ______ for irrigation because it gets water directly to a plant’s roots.
Minerals & Sprinklers
Nutrients & rainbirds
Water & Drip System
Minerals & Drip System
Select all that apply: Causes of the Desertification
Drought
Overgrazing
Soil Compaction
Forest Removal
Erosion
Choose all that apply: Practices that stop erosion
Cover Crops
Pesticides
Tilling
Terracing
Irrigation
What Event Caused the Soil Conservation Act of 1935?
Animals compacting soil
To much salt left on soil
The Dust Bowl
Cover Crops
Both irrigation and pesticides help crops grow, but both have disadvantages.
True
False
Traditional agriculture is?
A movement in which agricultural scientists from developed nations introduced new technology, crop varieties, and farming practices to the developing world
Combining different techniques to achieve the most effective long-term pest reduction
Amount of a crop produces in a given area
Farming that relies on human and animal power, along with handtools and non-motorized machines
Combining different techniques to achieve the most effective long-term pest reduction.
Pollinators
Integrated pest management
Traditional agriculture
Amount of a crop produces in a given area
Animals or insects that pollinate flowering plants in order for the plant to reproduce sexually
Pollinators
Integrated pest management
Traditional agriculture
Amount of a crop produces in a given area
A movement in which agricultural scientists from developed nations introduced new technology, crop varieties, and farming practices to the developing world.
Traditional agriculture revolution
Industrial agriculture
revolution
Green revolution
Integrated pest management revolution
What environmental change occurred on Earth 10,000 years ago that allowed humans to plant seeds and raise livestock?
More farmers use crop covers
Green Revolution
Biological Pest Control
The climate warmed
Choosing which seeds to plant or which livestock to breed based on the characteristics of the plants or animals is known as?
Selective Breeding
True Breeding
Pure Breeding
Random Breeding
Monocultures make a crop _____________ vulnerable to pests?
Less
More
The green revolution___________
Increased use of energy; worsened erosion, salinization, desertification, eutrophication, and pollution; increased air pollution; and contributed to global warming
Created chemicals developed to kill pests
Saved millions of lives, allowed some developing nations to become net exporters of grain, preserved habitat and biodiversity in some ecosystems
Caused industrial agriculture to produce greater yields than traditional agriculture
The _________________________ introduces fossil-fuel engines to agriculture which gave farmers more efficient ways to harvest, process, and transport crops
Green Revolution
Industrial Agriculture Revolution
Traditional Agriculture Revolution
Integrated Pest Management Revolution
Biological pest control____________
Means of using biological controls such as insects, animals, or bacteria to control unwanted pests
Chemicals developed to kill pests
Combining different techniques to achieve the most effective long-term pest reduction
Is an Integrated Pest Management System
What is Arable land?
Land suitable for farming
The use of genetic engineering to introduce new genes into organisms to produce more valuable products
Raising acoustic organisms for food in a controlled environment
Agriculture that does not deplete soil faster than it forms
What is Sustainable agriculture?
Land suitable for farming
The use of genetic engineering to introduce new genes into organisms to produce more valuable products
Raising acoustic organisms for food in a controlled environment
Agriculture that does not deplete soil faster than it forms
What is Biotechnology?
Land suitable for farming
The use of genetic engineering to introduce new genes into organisms to produce more valuable products
Raising acoustic organisms for food in a controlled environment
Agriculture that does not deplete soil faster than it forms
What is Aquaculture?
Land suitable for farming
The use of genetic engineering to introduce new genes into organisms to produce more valuable products
Raising fish & plant organisms for food in a controlled water environment
Agriculture that does not deplete soil faster than it forms
The guarantee of an adequate and reliable food supply for all people at all times.
Is known as Malnutrition
Is known as Food security
Is a huge warehouse or pen designed to deliver energy-rich food to livestock or poultry
Is an organization that preserves the genetic diversity of crops
Feedlot ______________
Is a shortage of nutrients the body needs
The guarantee of an adequate and reliable food supply for all people at all times
Is a huge warehouse or pen designed to deliver energy-rich food to livestock or poultry
Is an organization that preserves the genetic diversity of crops
Seed Bank______________
Is a shortage of nutrients the body needs
The guarantee of an adequate and reliable food supply for all people at all times
Is a huge warehouse or pen designed to deliver energy-rich food to livestock or poultry
Is an organization that preserves the genetic diversity of crops
Malnutrition______________
Is a shortage of nutrients the body needs
The guarantee of an adequate and reliable food supply for all people at all times
Is a huge warehouse or pen designed to deliver energy-rich food to livestock or poultry
Is an organization that preserves the genetic diversity of crops
Any process in which scientists directly manipulate an organism’s DNA
Biotechnology
Genetically
modified organism
Genetic engineering
Organic agriculture
An organism that has undergone genetic engineering
Biotechnology
Genetically
modified organism
Genetic engineering
Organic agriculture
Food-growing practices that use no synthetic fertilizers, insecticides, fungicides, or herbicides
Biotechnology
Genetically
modified organism
Genetic engineering
Organic agriculture
Check all that apply: Potential benefits of GM crops
Reduced or no chemical pesticides
GM genes mix with wild plants.
Reduces carbon emissions
Produces less yield per crop
Check all that apply: What makes a food supply secure?
Maintaining healthy soil
Maintaining healthy water
Protecting biodiversity of food sources
Distributing food safely
Making sure there is G.M.O in the supply
Crops with GM traits that could benefit farmers in developing nations, increase nutrients, drought tolerance, and salinity tolerance are not widely available; because corporations in developed countries have little economic incentive to develop crops to poor farmers that can't afford to purchase them.
True
False
Aquaculture protects populations of wild aquatic animals, but at the same time, diseases can spread easily through dense populations of aquatic organisms and can harm native organisms.
True
False
Animals in feedlots do not degrade soil through overgrazing, but
animals in feedlots require heavy doses of antibiotics to stay healthy, which can end up in ground-water and in the people who eat animal products.
True
False
As the number of plant biodiversity goes down through planting more monocultures crops, the risk of a pest’s destroying an entire crop decreases.
True
False
A partnership between consumers and local farms is known as community-supported agriculture (CSA). This helps farmers to have less loans and guaranteed upfront money for planting crops.
True
False
In recent years, the market for organic produce has _____________
Decreased
Stayed the same
Not a demand at all
Increased
There is not much more arable land available, so production on currently used land must increase to meet the increasing need for food. One way to do this is ___________
Use more G.M.O.
Make use of all unused arable land.
Give more minerals and vitamins to native plants
Use plants that need less water
Buying fruits and veggies in the grocery store, guarantees you will get the freshest products possible.
True
False
Buying locally grown farm products, helps the local economy, it gives the consumers fresh, good tasting, low pesticide treated foods.
True
False
