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. Ice flowing from the middle of Greenland to the edges and melting. 90 feet a day- speed that ice is moving.






2. 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.






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

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4. In ________- inversion layer is more common in the Arctic






5. A thick - floating slab of freshwater ice extending from coast to coast.






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






7. Trade winds blow from East to West - Pool of warm water in the west - Meanwhile deep colder water rises up in the Eastern Pacific - The sea level is ~ 50-60 cm higher in Western Pacific (Indonesia) than in the Eastern Pacific (South America/Peru) -






8. Less frequent and weaker






9. Occurs when there is not enough water available for a particular crop to grow at a particular time.Typically seen after!meteorological drought (when rainfall decreases) but before a hydrological drought






10. Summer increase in cloud cover - Winter decrease in cloud cover.

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






12. The buoyant force is equal to the weight of the displaced water.

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13. Permafrost- A frozen soil






14. 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.






15. Descending Air dry - Convection cells are wet.






16. Like weighing oneself on the scale.






17. Betts et al found that: if CO-2 __________ this has a physiological effect on plant transpiration increased simulated runoff by 6% b. How? i. More CO2 1. Plants pores open less 2. This reduces transpiration 3. More water in the land surface






18. Same amount of H2O - Mass does not change - Density of ice < density of water - Volume of ice > volume of water






19. Refers to the irregular warming in the Sea Surface Temperatures (SST) from the coasts of Peru and Ecuador to the equatorial central Pacific - the Southern Oscillation






20. Greenhouse gases are mixed in the ____






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






22. The high pressure decreases the melting point and favors melting - Melt water being less dense rises along the water column along the ice shelf bottom and may either escape the cavity or refreeze at some intermediate depth. Melting point decreases:






23. Volcanic eruptions - Sunspots - Wobbly Earth






24. The last portion of a glacier grounded to bedrock - after this line there are ice shelves.






25. By contrast reflects only about 7% of solar radiation (Albedo~7%) - absorbing 93%.






26. Greenhouse gases are a ___ portion of the atmosphere






27. 78% nitrogen - 28% oxygen - Greenhouse gases: Have a more complex molecular structure and can absorb and re:radiate heat in all directions.






28. Rainy on yearly average. In these regions - rising air predominates.






29. A dome shaped cover of perennial ice and snow.






30. Radiation absorbed by atmospheric greenhouse gases?






31. Slow steady decline of about 4% per decade in the total volume of Earth's stratospheric ozone.






32. Unfrozen ground that is found within a mass of permafrost






33. ~10% of incident solar energy (albedo 90)






34. Hydrological drought is associated with the effect of low rainfall on water levels in rivers -!reservoirs -!lakes and aquifers.






35. The heat input is either driven by the 1- thermohaline circulation associated with sea ice formation. The direct influx of intermediate warmth water.






36. An area of unfrozen ground that is open to the ground surface but otherwise enclosed in permafrost.






37. O Unfrozen soil that stays within the permafrost.






38. Antarctica - stratosphere - Sep-Oct






39. Industry 40% - Buildings 31% - Transportations 22% - Agriculture 4%






40. Concentration of 380 ppmv - Have risen about 40% - Preindustrial~ 270~280 ppmv






41. 1. We live in troposphere. Greenhouse gases here warm up the Earth 2. Above stratosphere. The ozone in this layer protects us.






42. Ice sheets have a very ____ Albedo






43. At the bottom of the ice sheets the temperature doesn't necessarily have to be above 0... it could _____ more easily because of the water






44. Precipitation extremes appear to generally increase across the planet at especially high latitudes.






45. A process whereby slabs of ice at the glacier margin mechanically fracture and detach from the main ice mass -






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






47. Floating extensions are ice shelves - rivers of ice are ice streams or outlet glaciers - the junctions with the ocean are called the grounding line.






48. Where do greenhouse gases warm up the Earth?






49. Number of days that exceed a given temperature






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






Can you answer 50 questions in 15 minutes?



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