Vocabulary Words for Quiz #20 Global Winds
1. solar energy – the driving energy source for heating of Earth and circulation in Earth’s atmosphere; comes from the sun.
2. greenhouse effect – solar energy that is absorbed by Earth’s land and water surfaces is changed to heat that moves/radiates back into the atmosphere where the heat can’t be transmitted through the atmosphere and is trapped.
3. convection current – warm air near Earth’s surface rises and then cools as it goes up; there are three of these areas in the northern hemisphere and three in the southern hemisphere.
4. land and sea breezes – local winds caused by convection currents near bodies of water.
5. Coriolis effect – the way Earth’s rotation makes winds in the Northern Hemisphere curve to the right and winds in the Southern Hemisphere curve to the left.
6. global winds- winds that blow steadily from specific directions over long distances.
7. trade winds – winds that blow from east to west in the tropical region moving warm tropical air in that climate zone.
8. westerly winds – winds that blow west to east in the temperate region; they play an important part in the weather of the U.S.
9. polar winds – cold air near the poles sinks and flows back toward lower latitudes where it mixes with the westerly winds and has a major effect on weather changes in the U.S.
10. jet stream – a fast-moving ribbon of air that moves from west to east in the Northern Hemisphere around Earth; it dips and bends and constantly changes positions; helps move air masses in the U.S. from the west coast to the east coast.
Vocabulary Words for Quiz #19 Weather Instruments
- anemometer – a tool used to measure wind speed in miles per hour.
- wind vane – a tool used to measure the direction from which the wind is blowing; sometimes referred to as a wind sock.
- thermometer – a tool used to measure air temperature in degrees Fahrenheit and Celsius.
- sling psychrometer – a two-thermometer instrument also referred to as a wet-dry bulb used to measure relative humidity (the amount of water vapor in the air).
- barometer – a tool used to measure air pressure in inches of mercury or millibars.
- rain gauge – a tool used to measure the amount of precipitation in inches or centimeters.
- meteorologist – studies weather and uses information from radar, satellites, computers and other instruments to make weather maps and provide forecasts.
- isobars – lines drawn on a weather map that connect points having equal atmospheric pressure; also indicate the location of high and low pressure areas and can show wind speed.
- isotherms – lines drawn on a weather map that connect points having equal temperature.
- station models – indicates weather conditions at a specific location, using a combination of symbols on a map.
Vocabulary Words for Quiz #18 Air Masses, Fronts, Storms