Viewing All Flashcards for Chapter 5 - Earth's Natural Resources
· useful material found in the environment.
· anything from Earth that helps meet peoples needs for food, clothing, and shelter.ex. soil, water, minerals, and vegetation
Resources that must be altered or changed before they can be used.
ex. paper and wood
A resource that recycles through natural processes in the environment.
ex. water, nitrogen, and carbon
A resource that can be replaced. **if you pick corn, farmers plant new corn to replenish or renew**
ex. trees, crops (vegetables), animals (chickens, cows, etc.)
When these resources are used up they cannot be replaced. Most non-living things are nonrenewable.ex. minerals, coal, natural gas, oil and metals.
Resources that were created over millions of years from the remains of prehistoric dead plants and animals. They are nonrenewable.
ex. coal, natural gas, and petroleum.
1st level activities
2nd level activities3rd level activities
Get raw materials by hunting, mining, fishing, etc.
Turn the raw materials into a finished product (that is called manufacturing)
Distribute products or perform services to earn money $$.
Making goods in factories with machines instead of at home with simple devices.
· Very large.
· Companies run them.
· Modern technology
· Few workers
· Farmers raise enough food and animals for their own families.
· Require much labor and have many crops.
A farm that has many workers but only owned by a few people. They usually raise a single crop for export such as bananas, coffee, sugar cane, or tea.
Governments help one another by providing gifts and loans of money and military support.
Herders who move from place to place for water and food for their animals.
A place where living things depend on one another and on non-living things in order to survive.
Living: plants and animalsNon-living: water, soil, rocks, and air
The cutting down of forests. South America is the most threatened for this.
*When the forests are gone, many plants and animal species die out.*
A place where species live.
Rain that carries dangerous chemicals.It is caused by the burning of fossil fuels.
Caused when wastes are dumped into rivers, lakes, oceans, etc.
Caused by burning of things that release dangerous chemicals.
A layer of gas in the atmosphere that blocks harmful sun rays that can cause cancer.
A slow increase in the earth’s temperature.May be caused by gases like carbon dioxide that are released into the air. This happens when fossil fuels burn.
Reusing old materials to make new ones.
They have laws that require factories to use new devices and filters to reduce pollution.