Air Pollution
6 Rs
Alternative Energy
Point & Nonpoint
This and That
100
What is the difference between combustion, evaporation, and friction (as sources of air pollution)?
Combustion-- burning that releases pollutants into the air Evaporation-- pollutants turning from a liquid to a gas Friction-- fine particles released into the air as a result of 2 solids rubbing together
100
What is the process of recovering valuable or useful materials from waste (to make something new) called?
Recycling
100
Which of the following is an renewable resource? Natural gas, trees, coal, petroleum
Trees
100
Which is more difficult to clean-up, point or non-point sources of pollution?
Non-point
100
Ordinary tap water has a pH of 7 making it a(n) ________.
neutral
200
What is smog?
Smog is an accumulation of air pollutants into the air. (Visible air pollutants).
200
Which of the 6 Rs? Wearing hand-me-down clothes from your older sibling?
Reusing
200
Which source of alternative energy involves getting energy from the heat inside the Earth?
geothermal energy
200
Point or nonpoint? Factories
Point
200
An organism that makes a home for itself in a new place is called a(n) ________________.
Non-native or Exotic Species
300
What are some impacts of air pollutants on human health?
Carbon oxides-- drowsiness, nausea Nitrogen oxides-- respiratory problems Hydrocarbons-- cancer (death!)
300
Which of the 6 Rs? Telling a friend to put their old assignments in the recycling bin.
Reacting
300
The energy contained in fossil fuels originally came from __________________.
the sun
300
Point or nonpoint? Car exhaust
Nonpoint
300
Mother Nature polluted the Earth by emitting carbon and sulfur dioxides from ____________.
volcanoes
400
Which chemical activity is the greatest source of air pollutants in the air? (Friction, combustion, evaporation, smoking)
Combustion
400
What is it called when we mix leaves, twigs, egg shells, and banana peels for garden fertilizer?
Composting
400
____________ means preservation and wise use of natural resources.
Conservation
400
Point or nonpoint? Agricultural run-off.
Nonpoint
400
Why is paper packaging better for the environment than plastic?
Paper is biodegradable
500
What is the chemical that is most responsible for acid rain?
Sulfur Dioxide
500
Which of the 6 Rs? (Name at least 3) Bringing your own canvas bags to carry your groceries home?
Reject-- paper and plastic bags Reuse-- cloth bags Reduce-- waste (no bags to throw away)
500
A natural resource formed from the remains of organisms that lived long ago is called a ______ ________. (Examples include coal, oil, and natural gas).
Fossil fuel OR Non-renewable resource
500
What composes the largest percentage of solid waste in landfills?
Paper (40%)
500
Explain the cons to getting rid of solid waste through landfills and incineration.
Landfills-- chemicals may enter the groundwater, harmful gases (methane) may enter the air, unsightly, smell Incinerators-- releases toxic chemicals into the air contributing to acid rain-- affecting land, surface water, and groundwater
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