Content Outline for Teaching - Potosi School District - Home

22
Section 2
Content Outline
for Teaching
People and the Environment
Earth’s Resources
Underlined words and
phrases are to be filled
in by students on the
Note-taking Worksheet.
A. Human activities can destroy the habitats of other organisms.
B. All of the things we use in our every day lives take some amount of land to
produce.
1. Houses, malls,roads, and factories take up land.
2. Food, clothing, jobs,and homes all take land.
3. Some laws protect against habitat loss and help us use land wisely.
4. Most of our garbage is buried in landfills.
a. A landfill is a hole in the ground where garbage is deposited.
b. Any material that can harm a living thing by interfering with life processes
is called a pollutant.
c. Garbage that contains dangerous chemicals or other pollutants is called
hazardous waste.
5. Land is a nonrenewable resource.
C. Only a small amount of Earth’s water can be used for drinking.
1. Many human activities cause water pollution.This can happen when
a. household cleaners,
b. pesticides,
c. fertilizers,
d. oil or grease,or,
e. litter reaches our water supplies.
2. Countries are working to reduce water pollution.
a. The U.S. and Canada agreed to clean up Lake Erie.
b. The U.S. government passed the Safe Drinking Water Act,which sets standards
for drinking water.
c. The Clean Water Act gives money to states for building water-treatment
plants.
Earth’s Resources 74