Air Pressure & Wind Flashcards
_________ Increases as the density of air increases. A. air mass, B. air pollution, C. atmospheric pressure, D. precipitation
Atmospheric Pressure
Which Statement is True? A. Air is less dense at higher altitudes than at lower altitudes. B. Density depends on the size of particles that are in a given volume. C. Atmospheric pressure is higher at higher altitudes and lower in lower altitudes. D. There are less particles in the same volume of air at sea level than at mountaintop.
A. Air is less dense at higher altitudes than at lower altitudes
There is a ____ relationship between altitude and atmospheric pressure. A. absent, B. cause and effect, C. contradictory, D. balanced
Cause and effect
Torricelli’s tube of mercury was the first barometer, a tool that is used to measure A. atmospheric pressure, B. humidity, C. rainfall, D. windspeed
atmospheric pressure
Atmospheric pressure at a given location depends on what? A. cloud cover and ocean waves, B. the time of year C. the size of the barometer , D. weather and altitude
weather and altitude
Why is atmospheric pressure higher when air is colder and lower when air is warmer?
Cold air is denser than hot air
Wind is caused by: A. atmospheric changes involving humidity, precipitation, and temperature, B. global ocean waves as they crash against the shoreline, C. seasonal variations in the axial tilt of Earth as it orbits the sun, D. air moving from a region of high pressure to a region of low pressure.
D. air moving from a region of high pressure to a region of low pressure.
_______ the difference in atmospheric pressure causes wind speed to _______. A. subtracting; multiply, B. decreasing, increase, C. increasing; increase, D. eliminating; go faster
C. increasing; increase
In addition to speed, how else is wind described? A. by the severity of its gusts, B. by its latitudinal coordinates, C. by its temperature, such as a cold wind or a warm wind, D. by the direction from which it is blowing across Earth’s surface
D. by the direction from which it is blowing across Earth’s surface.
In determining wind speed, the Beaufort Scale allows you to use ________ A. a weather phone app, B. your own observations of wind, C. a handheld digital anemometer, D. hand tools and materials in building your own anemometer
B. your own observations of the wind
How does wind interact with the biosphere? A. wind wears down rocks and mountains through erosion, B. Consistent high winds create ocean waves, C. Global winds move volcanic ash around the planet, D. Animals use wind for transportation, and plants use it to spread pollen.
D. Animals use wind for transportation and plants use it to spread pollen
Why does blowing wind make you feel cooler? A. Air warmed by thermal energy transferred from your body is replaced with cooler air. B. most clothing made of natural materials cannot effectively block the wind and its effects. C. Air particles carried by the wind swirl rapidly around you, causing mini low- pressure systems, D. Your skin’s pores open up when the wind blows over them, releasing oxygen needed for warming
A. Air warmed by thermal energy transferred from your body is replaced with cooler air.
Wind interacts with the geosphere and hydrosphere by _________. A. transporting animals on the wind and spreading pollen and plant seeds. B. moving materials, making waves, and increasing evaporation. C. complex atmospheric processes that are fueled by energy from the sun. D. blowing over earth and cooling it, causing ice to form in the polar regions.
B. Moving materials, making waves, and increasing evaporation
what is the original source of the wind’s energy? a. earth’s rotation, b. the ocean, c. the atmosphere, d. the sun
D. the sun
Areas of high and low pressure are connected by a pattern of _______. A. evaporation, condensation, precipitation, repeat. B. storm fronts that alternate with the changing seasons. C. a circular flow of air caused by rising warm air and falling cold air. D. fluctuating high temperatures and low temperatures generated by moving clouds.
C. a circular flow of air caused by rising warm air and falling cold air
Large _______ transfer energy from the warm equator to cooler, higher latitudes. A. global convection cells, B. global weather fronts, C. high altitude clouds, D. ocean waves
A. global convection cells
To develop a design for a hang glider, Otto Lilienthal drew detailed plans and made ______. A. prototypes, or working models, that can be used for testing. B. Airplanes to test performance against his hang glider designs. C. mistakes, eventually causing him to give up completely. D. various flying machines that included hot-air balloons and early helicopters.
A. prototypes, or working models, that can be used for testing.
Which could be a modification to a hang glider design? A. choosing an exact location for the best air currents B. comparing the design to other hang glider designs, C. shortening the wings to hold up to stronger winds, D. selecting complimentary colors so the glider looks better.
C. shortening the wings to hold up to stronger winds
To improve the design of hang gliders, engineers need to understand. A. cloud formation, B. winds in the atmosphere, C. the sun’s energy in relation to the weather. D. the weather and climate are exactly the same
B. winds in the atmosphere
For each improvement in glider designs, engineers follow A. the written instructions that are provided in the hang glider build kit. B. an iterative process of testing, modifying, retesting, and modifying again. C. a complicated process of checks and balances while obtaining financing, D. a mathematical process, rejecting designs that don’t follow blueprint dimensions.
B. an iterative process of testing, modifying, retesting, and modifying again.
Where land and bodies of water meet, sea breezes, and land breezes are wind patterns that are the result of: A. the land’s and water’s inability to transfer thermal energy to the atmosphere, B. water staying cool and land staying warm throughout the day and night all year long. C. the comparative size of small land masses to large bodies of water. D. land warming up more quickly than water during the day and cooling off more slowly at night.
D. land warming up more quickly than water during the day and cooling off more slowly at night.
