SNC 2D1 Test #1 Name: _________________________ Climate Change Date: _________ /50 Use complete sentences and scientific terminology for open-response questions. Multiple Choice Circle AND clearly write the letter of the best answer on each line. 1. What is the difference between weather and climate? _____ A) Weather deals with wind and precipitation; climate deals with temperatures B) Weather happens on a daily basis; climate is weather averaged over many years C) Weather changes slowly; climate changes quickly D) Climate is just the scientific name for weather 2. Greenhouse gases… _____ A) are unique since they can absorb and re-emit infrared radiation B) B) C) D) are all generated by human activity include nitrogen gas and oxygen gas, among others quickly and easily precipitate out of the atmosphere None of the above 3. Which of the following is not a major greenhouse gas? Indicate all that apply. _____ A) CO2 B) O2 C) NO2 D) N2O E) CH4 F) O3 4. Which of the following is an example of proxy records? _____ A) data collected from tree rings B) a recent photo from a glacier in the Arctic C) a graph showing rainfall amounts in 1990 D) the weather forecast from yesterday’s news 5. Which is true about volcanoes? _____ A) They release aerosols that increase Earth’s albedo, causing global cooling B) They release greenhouse gases, causing the Earth to warm C) Both A and B are true D) None of the above are true 6. Which statement is true about carbon? _____ A) It is naturally cycled in Earth’s closed system. B) C) D) E) F) It exists within molecules in solid, liquid, and gaseous forms. It has sinks in the form of vegetation and phytoplankton. Its emissions can have anthropogenic sources. All of the above are true. None of the above are true. 7. Which of the following may is most likely to be a direct result of rising global temperatures? _____ A) more sea ice B) C) D) E) more forest fires more freshwater more biodiversity all of the above / 7K marks G) N2 8. Which is true? _____ A) B) C) D) 9. There were more greenhouse gases in the atmosphere in the year 1750 than today The Earth’s average surface temperature has not risen significantly in the past 150 years A hole in the ozone layer exists over Antarctica, allowing the Sun’s dangerous gamma rays to strike Earth Water vapour is the most abundant greenhouse gas in our atmosphere Trees can: _____ A) B) C) D) Sequester nitrogen in their root nodules Be a source of water vapour Sequester carbon All of the above 10. Which greenhouse gas has the highest ‘Current Level’, according to the table at right? _____ A) B) C) D) Carbon dioxide Methane Nitrous oxide CFCs 11. Which of the following is not a factor of the Global Warming Potential (GWP) of greenhouse gases? _____ A) B) C) D) Concentration (ppm) in the atmosphere Ability to absorb thermal Energy Ability to deplete the ozone layer Length of time remaining in atmosphere 12. Matching Select from the terms listed at right. A term may NOT be used more than once. / 4K marks i. ___ Photons that are absorbed and re-emitted by Earth A. Infrared I. Sea ice ii. ___ Ocean circulation caused by varying temperature and salinity B. Visible light J. Land ice iii. ___ A gas produced by cattle during their digestive process C. Ultraviolet K. Methane iv. ___ Type of melting ice that will cause sea levels to rise D. Anthropogenic L. GHGs v. ___ Layer of the atmosphere where ozone absorbs ultra violet radiation E. Coriolis Effect M. Salinity vi. ___ Is destroyed by nitrous oxide and other halocarbons such as CFCs F. Thermohaline flow N. Equator vii. ___ What the moon lacks, thus keeping it too cold to be habitable G. Stratosphere O. Fossil fuels viii. ___ Human-caused changes to climate H. Troposphere P. Ozone / 8K marks 13. List any 3 indicators of climate change: / 3K marks 14. List any 3 types of proxy data used to assess past climatic conditions. / 3K marks 15. Complete the table. / 6K marks Formula Source of Emission Greenhouse Gas Name Carbon Dioxide CH4 Formed both by lightning in the atmosphere and through reactions between vehicle exhaust and sunlight True or False? Write either True or False in the space provided / 5K marks 16. Canada met it’s 2012 Kyoto Protocol target of reducing carbon emissions by 6%. _________________ 17. Areas of high pressure create dry sunny conditions _________________ 18. The Earth reflects 30% of solar radiation back to space _________________ 19. Melting sea ice in the arctic will raise global sea levels __________________ 20. If global CO2 emissions were to stop tomorrow, global temperatures will immediately stop rising. ___________ 21. True or False? Answer for each, below. If false, replace one or all underlined phrases to make the statement true. /3AC marks / a) _________ BIOME A must exist near the equator b) _________ BIOME B must exist near 30° latitude c) _________ BIOME A would be considered a desert BIOME A BIOME B 22. Neatly sketch and label a positive, climate change feedback loop involving two or more of these factors: / 4AC marks carbon dioxide emissions forests tundra albedo sea ice precipitation methane emissions Feedback Loop 23. LONG ANSWER: Explain how ocean currents and surface winds bring thermal energy to the poles of Earth, AND describe how global warming is influencing these systems. Use scientific terminology and complete sentences in a well-organized response. Support your written response by illustrating related climate patterns on the diagram below. / 7AC marks 24. Assess the effectiveness of local and/or global actions that are being taken to address climate change. Use specific examples in your response. / 4AC marks
