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. Help darkens the snow and ice surface - increasing the amount of energy that is absorbed.






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






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






4. Cooler water and drought conditions.






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






6. Clouds 40~90% - Vegetation 10~15%






7. Really measures volume.






8. Extent will increase the warming because less energy will be reflected back to the atmosphere by the ice and more will be absorbed by the ocean.






9. Less frequent and weaker






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






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






12. 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






13. Reduction of snow and ice cover - Changes in atmospheric circulation.






14. Is not an externally imposed perturbation to the climate system.






15. Closed talik can develop when lakes fill in with sediment and become deposits of dead plant material (bog).






16. Higher temperature increases atmospheric water vapor @ global scale more water vapor in the air that causes nights to stay warmer.






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






18. Number of days that land among the hottest of all days in that month's long-term record.






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






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






21. ~15% of incident solar energy (albedo 85)






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






23. CO2 - CH4 - O3 - H2O - N2O - CFCs






24. O The amount of energy moving in the form of photons or other elementary particles at a certain distance from the source per unit of area per second. Area/second






25. Land Based Ecosystems retain ____ CO2.






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






27. Atmosphere retains ____ CO2






28. Same as heating an apartment v home - Thinner atmosphere than tropics; warms faster.






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

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30. 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






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






32. 20% human produced CO2 emissions. Tropical forests hold around 50% of the carbon present in vegetation on Earth.






33. 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






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






35. Where do greenhouse gases warm up the Earth?






36. All processes that add snow or ice to a glacier or to flowing ice or snow cover.






37. What can cause a change in the Earth's climate balance?






38. 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.






39. Permafrost- A frozen soil






40. Grounding line is the last portion of a glacier grounded to bedrock - after this line there are ice shelves - Glaciers contribute to sea level rise after passing the grounding line - Maximum thinning at grounding line.






41. When meltwater seeps through a flowing glacier - it can lubricate the base and hasten the glacier's seaward flow.






42. Measures input and output.






43. The air can hold less water vapor - Consequently - less water can be evaporated in the air - and only a small portion of energy is used in this process - Most of the energy that reaches the Arctic goes directly into warming the air






44. Water vapor - 36-70% - carbon dioxide - 9-26% - methane - 4-9% - ozone - 3-7%






45. Tundra absorbs more energy than ice and snow but less than scrubs and forest - and with those plants migrating towards the north - they will further contribute ot absorb more energy.






46. The large-scale ocean circulation that moves water between the deep and surface ocean which effects salinity and temperature change - Supplies heat to the polar-regions.






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






48. The depletion of stratospheric ozone layer in Antarctica in Springtime (august through October)






49. They saw a massive thinning of the ice where it enters into the ocean - This is due to the pronounced melting of the ice once it is in contact with the ocean. Melt rates of 25 m/year near the grounding lines and more than 10 m/year on average.






50. US is responsible for ___ of the total CO2