Number 1
Loud or constant noise that bothers people or animals.
What is noise pollution?
Artificial light that causes problems for people and wildlife.
What is light pollution?
Materials from nature that we use.
What are natural resources?
When the environment is dirtied by waste and chemical.
What is pollution?
To treat or change waste so that it can be used again.
What is recycle?
Acidic water in clouds caused by pollutants in the air that falls to Earth.
What is acid rain?
Fuels formed in the Earth over millions of years (coal, oil)
What are fossil fuels?
This is when several people ride in the same car together.
What is carpooling?
Materials that will decompose or break down, such as food scraps.
What is biodegradable?
Fresh water under the Earth's surface.
What is groundwater?
When toxins enter the Earth's atmosphere causing harm.
What is air pollution?
The interacting living and non-living things in an area.
What are ecosystems?
This is when items are broken down and made into something new.
What is recycle?
These are the three major types of pollution.
What is air, water, and land pollution?
These are the three Rs.
What are reduce, reuse, and recycle?
The trapping of heat by certain gases in the Earth's atmosphere.
What is the Greenhouse Effect?
A resource that cannot be replaced once it is used.
This means to use a resource over and over again.
What is to reuse?
A resource that can be replaced in a period of time once used.
What is a renewable resource?
This means to use less of a resource.
What is to reduce?
Chemicals that poison organisms in streams, rivers, lakes, and oceans.
What is toxic pollution?
Pollution of water by adding heat to it.
What is thermal pollution?
Pollutants that enter water bodies without treatment for toxins.
What is water pollution?
Chemicals released into our ecosystems that disrupt the balance.
What is chemical pollution?
These are two cities that have some of the worst air pollution.
What is Los Angeles and Philadelphia?