5 Human Impact on the Biosphere Jigsaw Quiz

Which graph correctly shows human population growth over the last 5000 years?

• A

• B

• C

• D

Which practice would most likely deplete a nonrenewable natural resource?

• Harvesting trees on a farm

• Burning coal to generate electricity in a power plant

• Restricting water usage during a period of water shortage

• Building a dam and a power plant to use water to generate electricity

Can a renewable resource be depleted?

• No- it will always come back

• No- they are unlimited

• Yes- can cannot be replenished by nature

• Yes- if they are consumed faster than they are replaced

The pH of all rain water is naturally slightly acidic.

• True

• False

Which human activity has probably contributed most to the acidification of lakes in the Adirondack region?

• Passing environmental protection laws

• An increase in carbon dioxide and global warming

• Burning fossil fuels that produce air pollutants containing sulfur and nitrogen

• The use of pesticides on farms

An increase in activity "X" will most likely result in

• A decrease in fossil fuel consumption

• A decrease in air pollution

• A decrease in biodiversity

• A decrease in rainfall

Why is the ozone layer important?

• It keeps our planet warm and helps to trap heat

• It allows harmful radiation from the sun to pass freely

• It prevent radiation from leaving the earth and damaging the sun

• It protect us from UV radiation which causes mutations and cancer

What caused the depletion of the ozone layer?

• Carbon dioxide from burning fossil fuels

• A molecule used in manufacturing called a CFC

• Both of the above

• Neither of the above

A human activity that could significantly decrease the amount of carbon dioxide in the air is

• increasing the use of fossil fuels

• preserving forest habitats and planting trees

• increasing the production of plastic

• burning garbage to generate electricity

Greenhouse gases are best described as our Planet's

• blankets to stay warm

• sunscreen to prevent radiation

• sunglasses to protect our eyes

• filters to clean our air