Name: 
 

Science Perspectives 10



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which of the following energy sources contributes to Earth’s climate change?
a.
wind power
b.
geothermal energy
c.
fossil fuels
d.
biofuels
 

 2. 

Which of the following is a possible impact of climate change for North America?
a.
more insect and plant pests
b.
more heat waves
c.
increased coastal flooding
d.
all of the above
 

 3. 

Due to the albedo effect, climate change is occurring more rapidly in
a.
Africa
b.
the Arctic
c.
Latin America
d.
North America
 

 4. 

Which of the following is a true statement regarding the impact of climate changes in the Arctic on the rest of the Earth?
a.
Climate change in the Arctic does not significantly affect the rest of the world.
b.
As Arctic ice melts, the ocean and land will absorb less of the Sun’s energy.
c.
Fresh water flowing into the Arctic Ocean from melting ice may slow or even stop ocean currents that transport thermal energy around the globe.
d.
Melting permafrost will likely decrease the greenhouse effect.
 

 5. 

Fertilizing the oceans to enhance algal growth and increase the absorption of carbon dioxide from the atmosphere is an example of
a.
stewardship
b.
mitigation
c.
adaptation
d.
geoengineering
 

 6. 

Which of the following is a true statement regarding the likely impacts of climate change in Ontario?
a.
Ontario’s temperature is not likely to change as much as lower-latitude regions.
b.
Ontario’s winters will probably become colder, with more snow and extremely cold days.
c.
Ontario will experience more extremely hot, humid days in the summer.
d.
The level of Lake Superior will increase significantly.
 

 7. 

As carbon dioxide levels and temperatures increase, Canadian ecosystems are likely to change in which of the following ways?
a.
More area will be covered by tundra.
b.
Less area will have a temperate climate.
c.
More area will be covered by grasslands.
d.
More area will have a boreal ecosystem.
 

 8. 

Which of the following illnesses may increase in Ontario due to climate change?
a.
West Nile virus and Lyme disease
b.
strokes related to heat stress
c.
respiratory illnesses
d.
all of the above
 

 9. 

If we are to avoid drastic sea level rise and species extinction, most scientists agree we should limit temperature increases to
a.
1 °C
b.
2 °C
c.
5 °C
d.
10 °C
 

 10. 

Which of the following items is included in Go Green: Ontario’s Action Plan on Climate Change?
a.
legislation to fast-track the approval of renewable energy projects
b.
the planting of 50 million trees in southern Ontario by 2020
c.
the reduction of greenhouse gas emissions by 80 % by 2050
d.
all of the above
 

 11. 

Which of the following is an example of a step that can be taken by government, businesses, or industries in Canada to reduce greenhouse gas emissions?
a.
Use hybrid or electric vehicles.
b.
Use clean energy sources, such as wind or solar.
c.
Use more efficient industrial equipment.
d.
all of the above
 

 12. 

Which of the following is an example of an adaptation?
a.
studying how farmers can grow crops that survive higher temperatures
b.
using mirrors in space to reflect back some of the Sun’s radiation
c.
fertilizing the oceans to increase carbon dioxide absorption
d.
farming algae to be processed as a fuel
 

 13. 

About what percentage of Canada’s greenhouse gas emissions comes from the activities of individuals?
a.
5 %
b.
10 %
c.
25 %
d.
33 %
 

 14. 

Most of the greenhouse gas emissions produced by the activities of individuals come from
a.
transportation and home heating and cooling
b.
transportation and lighting
c.
home heating and cooling and lighting
d.
water heating and lighting
 

 15. 

Giving money to a cause such as reforestation in Brazil is an example of
a.
stewardship
b.
purchasing carbon offset credits
c.
mitigation
d.
adaptation
 

 16. 

Helping to rehabilitate wetlands is an example of
a.
stewardship
b.
geoengineering
c.
mitigation
d.
adaptation
 

 17. 

Which of the following is a reason to take action to help reduce climate change?
a.
to protect people’s health
b.
to save money by avoiding the need for adaptations to a new climate
c.
to protect traditional activities such as hunting and fishing
d.
all of the above
 

 18. 

The main opposition to the 2006 Clean Air Act for Canada was based on its
a.
projected costs
b.
unobtainable goals
c.
lack of stringency
d.
fairness to large businesses
 

 19. 

Which of the following factors makes predicting climate change difficult for scientists?
a.
Scientists cannot predict ocean currents.
b.
Scientists cannot understand the albedo effect.
c.
Scientists do not know what choices people will make.
d.
It is not possible to measure concentrations of greenhouse gases in the atmosphere.
 

 20. 

Which of the following shows an accurate sequencing of the steps scientists follow to create climate projections?
a.
determine probable amount of greenhouse gas production, input values into climate models, develop possible scenarios
b.
develop possible scenarios, determine probable amount of greenhouse gas production, input values into climate models
c.
input values into climate models, develop possible scenarios, determine probable amount of greenhouse gas production
d.
develop possible scenarios, input values into climate models, determine probable amount of greenhouse gas production
 



 
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