FA04 (S2) Test Prep Unified Science

1. FA04 (S2) Test Prep Unified Science Ms. Phillips

2. If the Earth’s gravitational force were to increase, atmospheric pressure at the ground would: • remain the same • decrease • increase • divide • cause the universe to expand vertically Answer: increase

3. Which of the following instruments measures pressure? • thermometer • radiometer • hygrometer • densitometer • barometer Answer: barometer

4. The mercury barometer was invented by: • Galileo Galilei • Evangelista Torricelli • Sir Isaac Newton • James Watt • Vincent van Gogh Answer: Evangelista Torricelli

5. The __________ is an apparent force created by the Earth’s rotation. • pressure gradient force • Coriolis Effect • centripetalforce • gravitationalforce • empire force Answer: Coriolis Effect

6. The “force exerted on an object equals its mass times the acceleration produced” is a description of: • Buys-Ballot’s law • the isobaric law • hydrostatic equilibrium • a biology question • Newton’s second law of motion Answer: Newton’s second law of motion

7. Lines connecting points of equal pressure are called: • millibars • contours • isotherms • isobars • a coordinate grid Answer: isobars

8. The friction of fluid flow is called: • viscosity • compression • convergence • shear • inertia Answer: viscosity

9. Surface winds are generally strongest and most gusty: • in the early morning • around midnight • in the afternoon • just after sunset • just before sunrise Answer: in the afternoon

10. An instrument used to measure wind speed is called a (an): • sphygmomanometer • anemometer • ceilometer • psychrometer • tachometer Answer: anemometer

11. The jet stream flows: • directly from west to east • directly from east to west • from the equator toward the poles • in a wavy pattern from west to east • in a variety of directions depending on airplane traffic Answer: in a wavy pattern from west to east

12. During a major El Niño event: • Peruvian fishermen harvest a record number of fish near Christmas time. • extensive ocean warming occurs over the tropical Pacific • the Northeast trade winds increase in strength • California experiences severe drought conditions • refugees from costal countries enter the United States illegally • Answer: • extensive ocean warming occurs over the tropical Pacific

13. The majority of the United States lies within this wind belt: • westerlies • easterlies • northerlies • trades • southerlies Answer: westerlies

14. An air mass is characterized by similar properties of _____ and _____ in any horizontal direction. • temperature, pressure • pressure, moisture • temperature, moisture • winds, moisture • poverty, uninvited guests Answer: temperature, moisture

15. Fronts are associated with: • poor self-esteem • negative feedback • high pressure • political pressure • low pressure Answer: low pressure

16. In winter, thunderstorms are most likely to form along: • warm fronts • stationary fronts • cold fronts • occluded fronts • cornfields Answer: cold fronts

17. The development or strengthening of a middle latitude storm system is called: • cyclogenesis • convergence • divergence • frontolysis • transparency Answer: cyclogenesis

18. An upper-level pool of cold air that has broken away from the main flow is called: • a shortwave • a wave cyclone • a lee-side low • a cut-off low • a tragedy Answer: a cut-off low

19. Developing low pressure areas generally have _____ air near the surface and _____ air aloft. • diverging, converging • converging, diverging • converging, converging • diverging, diverging • conducting, convecting Answer: converging, diverging

20. The least accurate forecast method of predicting the weather two days into the future during changeable weather conditions usually is the: • trend method • prediction by weather types • persistence forecast • numerical weather prediction • analogue method Answer: persistence forecast

21. A weather warning indicates that: • the atmospheric conditions are favorable for hazardous weather over a particular region • hazardous weather is likely to occur within the forecast area during the next 24 hours • hazardous weather is either likely or imminent or occurring within a forecast area • road conditions are expected to be impassable for the entire time of the warning. • hazardous weather is frequently observed in a particular region. Answer: hazardous weather is either likely or imminent or occurring within a forecast area

22. When making a forecast, a meteorologist typically examines __________. • surface charts • upper-air charts • radar displays • satellite imagery • all of the above Answer: All of the above

23. A weather watch would probably be issued for which of the following conditions? • there is a chance of tornadoes tomorrow • Presently, extremely high winds are occurring at mountain summits • A tornado has been sighted at the outskirts of town • heavy snow has been falling over the forecast area • a parade is scheduled in town on Friday Answer: there is a chance of tornadoes tomorrow

24. Which forecasting method assumes that weather systems will move in the same direction and at the same speed as they have been moving? • persistence forecast • probability forecast • climatological forecast • weather type forecast • steady state (trend) forecast Answer: steady state (trend) forecast

25. An accurate forecast: • never shows skill • requires complex computer equipment • always shows skill • may or may not show skill • is aired on the local evening news Answer: may or may not show skill

26. All thunderstorms require ________. • rising air • Divergence of the air aloft • surface heating • hot, humid air • lifting along some barrier such as a mountain or front Answer: rising air

27. The initial stage of an ordinary thunderstorm is the __________. • mature stage • dissipating stage • cumulus stage • multicellstage • adolescent stage Answer: cumulus stage

28. Ordinary thunderstorms only last about one hour and begin to dissipate when: • lightning neutralizes all the electrical charge in a cloud • when all the precipitation particles in the cloud turn to ice • when solar heating at the ground begins to decrease • when the downdraft spreads throughout the cloud and cuts off the updraft. • none of the above Answer: when the downdraft spreads throughout the cloud and cuts off the updraft.

29. An ordinary thunderstorm is a: • scattered or isolated storm that is not severe • thunderstorm that does not produce lightening or thunder • thunderstorm that has a tilted updraft and downdraft • thunderstorm that does not produce hail • figment of the imagination Answer: scattered or isolated storm that is not severe

30. The most likely time for an ordinary thunderstorm to form is __________. • just after sunrise • just before sunrise • around midnight • at noon • late afternoon Answer: late afternoon

31. Severe thunderstorms are capable of producing __________. • large hail • tornadoes • flash floods • all of the above • none of the above Answer: all of the above

32. Streamlines on a weather map depict __________. • water temperature • wind flow • pressure • dew point • ocean currents Answer: wind flow

33. The strongest winds in a hurricane are found _______________. • in the eye wall • at the center of the storm • in the rain bands • near the periphery of the hurricanes • at upper levels, above the center of the hurricane Answer: in the eye wall

34. Hurricane winds rotate in a clockwise direction _______________. • in the Northern Hemisphere only • in neither hemisphere • at the equator • in the Southern Hemisphere only • in both the Northern and Southern Hemispheres Answer: in the Southern Hemisphere only

35. The main reason hurricanes don’t develop over the south Atlantic Ocean adjacent to South America is because: • the Coriolis force is too small there. • the surface water temperatures are too cold. • the pressure gradient force is too weak in that area. • the surface water temperatures are too warm • the air at the surface is always diverging Answer: the surface water temperatures are too cold.

36. Which below is NOT an atmospheric condition conducive to the formation of hurricanes? • cold air aloft • moist, humid surface air • strong upper-level winds • warm water • a region of converging surface winds at the surface Answer: strong upper-level winds

37. The main difference between a hurricane and a tropical storm is that ________________. • hurricanes are larger • tropical storms are more than 500 miles from the US Mainland • winds speeds are greater in a hurricane • hurricanes have a clearly defined eye on satellite photographs • none of the above Answer: winds speeds are greater in a hurricane