Test your basic knowledge |

Global Warming

Subjects : literacy, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A thick - floating slab of freshwater ice extending from coast to coast.






2. Greenhouse gases are a ___ portion of the atmosphere






3. 23 -45 degrees. The Larger the tilt the larger the variability of the seasons.

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4. The difference between the incoming radiation energy and the outgoing radiation energy - A measure of the net energy.






5. In troposphere = greenhouse warming gas - However - most of it is in the stratosphere.






6. SALTY WATER = MORE DENSE - Maximum density at 4OC - This is why ice melting is a big deal; if the whole circle slows down - Ice bergs are fresh water higher sea level rise.






7. Precipitation intensity will rise ___ for every 1 OC of warming.






8. 78% nitrogen - 28% oxygen - Greenhouse gases: Have a more complex molecular structure and can absorb and re:radiate heat in all directions.






9. If the mean annual air temperature is only slightly below 0 degrees C - permafrost will form only in spots that are sheltered.






10. Cooler water and drought conditions.






11. On a clear cold day - the thin layer of air hugging the ground is called inversion. This layer is much cooler than the air a few hundred meters above it.






12. Volcanic eruptions - Sunspots - Wobbly Earth






13. A naturally or artificially caused decrease in the thickness and/or areal extent of permafrost - It is caused by the deepening fo the active layer and the thawing of the adjacent permafrost.






14. Ocean retains ____ CO2






15. 240 w/m squared






16. Absolute thresholds - Monthly maximums and minimums - Threshold departures - Percentile departure - Atmospheric Water Vapor: More water vapor in the air - warmer nights!






17. Refers to a body of freshwater - usually shallow - formed in a depression by melt water from thawing permafrost.






18. The amount of light reflected by an object.






19. Peru and Ecuador to the equatorial central pacific - Causes irregular warming in sea surface






20. 1. They are the largest contributor to sea level rise 2. Can affect the thermohaline circulation (mainly in Greenland) 3. Are directly connected to climate change






21. Poor resolution (200-400 km) does not allow us to distinguish glaciers and basins.






22. This is the total mass change - difference between input and outputs—snow accumulation-ablation.






23. Where does the ozone protect us?






24. Amount of light absorbed by surface






25. Longwave radiation - any radiation with a long wave will heat up quickly.






26. Greenhouse gases are mixed in the ____






27. The Day After Tomorrow - Circulation will slow by 10% to 50% in the next century






28. High cloud has a _____ effect and cool cloud has a ____ effect






29. x7 smaller - 7m total sea level equivalent.






30. 2ppm of the atmosphere - less than 20% of greenhouse gases - 1/3 greenhouse gases effect of CO2






31. Average molecular life span is less than 10 years - Major sources: Wetlands and oceans - Raising cattle and landfills.






32. Laser radar - H V - Long time series - high accuracy - Density






33. Is best viewed as a combination of...- Natural Variability - Associated with atmospheric circulation patterns - Growing Radiative Forcing - Associated with rising concentrations of atmospheric greenhouse gases - Strongly suggests a human influence.






34. US is responsible for ___ of the total CO2






35. A climate forcing agent formed through the incomplete combustion of fossil fuels - biofuel - and biomass; emitted both anthropogenic:ally and naturally.






36. Pollution: heat and sunlight cook the air and the chemical compounds which are in it. This combines with the nitrogen oxide and creates 'smog'. This makes breathing difficult for those with respiratory ailments.






37. 1. Keeps the ocean and the earth cooler 2. Coastal impacts of ice: prevents waves from eroding coastlines and protects from storms. 3. Ecological importance of ice: a. Most visibly for the many fish - birds - and mammal species that live in - on - or






38. O Climate change in the Arctic is occurring now - Changes have been huge already






39. Much of the Arctic is overlain by snow and sea ice (land ice and sea ice) - It makes warming a much bigger deal in the Arctic






40. Positive Albedo Feedback - increase in temperature melts ice and snow reduces albedo increases temperature melts ice and snow reduces albedo... ETC






41. Less frequent and weaker






42. ~10% of incident solar energy (albedo 90)






43. Ice melting rapidly? What type causes sea level to rise? What have been the main contributors to sea level rise so far? What are the impacts of melting ice? - On nature - On humans






44. Rain is getting harder and the rain is lasting longer since the past couple of decades and will continue for that amount.






45. High vs low






46. Sea ice - Continental ice sheets - Permafrost (frozen soil) - Mountain glaciers - Snow cover






47. Number of days that exceed a given temperature






48. The transition of a substance from the solid phase directly to the vapor phase - or vice versa - without passing through an intermediate liquid phase.






49. A mass of land ice - continental or sub-continental in extent - and thick enough to cover most of the underlying bedrock topography - If you have a warm ocean - it will melt the ice sheet. Its shape is mainly determined by the dynamics of its outward






50. Is unfrozen ground that is exposed to the ground surface and to a larger mass of unfrozen ground beneath it.







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