Pollution
Vocabulary
The Three Rs
Out and About
This and That
100
an unwanted change in the environment caused by harmful substances, wastes, gases, noise, and...
What is pollution?
100
the preservation and wise use of natural resources
What is conservation?
100
By using fewer natural resources and reducing wastes we can...
What is end habitat destruction and reduce pollution?
100
the number and variety of organisms in a given area at a certain time
What is biodiversity?
100
Human population growth has been made possible because of
What are advances in farming and advances in medicine?
200
These are wastes that can catch fire, wear through metal, explode, or make people sick
What is hazardous wastes?
200
pollution that comes from only one source
What is Point Source Pollution?
200
the process of recovering valuable or useful materials from waste or scrap
What is recycling?
200
A habitat is home to many organisms, and destroying a habitat affects this
What is biodiversity?
200
Using garbage and waste to make electricity is an example of
What is resource recovery?
300
this is how humans can be affected by pollution by causing these
What is cancer and respiratory problems?
300
A natural resource that can be replaced at the same rate at which it is consumed
What is renewable resource?
300
Three ways to conserve resources are reusing, recycling, and...
What is reducing?
300
One way to kill harmful insects while protecting beneficial insects is to use
What is natural pesticides?
300
Developing alternative energy sources will reduce our need for
What is fossil fuels?
400
These chemicals destroy protective ozone
What are CFCs?
400
Pollution can be reduced if people recycle and buy
What is recycled products?
400
To help protect biodiversity, we must do this
What is protect habitats?
400
The northern snakehead fish was introduced into North America from Asia. It is an example of...
What is exotic species?
500
this happened in the late 1700s causing more harmful substances to be in the air, water, and soil
What is the Industrial Revolution
500
Too many organizms in an area for the resources available
What is overpopulation?
500
Something that can be broken down by living organisms
What is biodegradable?
500
the Endangered Species Act protects individual species by
What is forbidding harm to endangered species?
500
volunteers helped to clean these oil covered birds in the beginning of the chapter
What are penguins?
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