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5th Grade Weather
A review of the 5th grade weather unit in North Carolina
| Question | Answer |
|---|---|
| weather | the state of the atmosphere at a certain time,a combination of temperature, precipitation, humidity and wind |
| precipitation | after water vapor condenses, it falls to the ground |
| evaporation | the change from liquid to water vapor |
| condensation | water vapor forms small drops of water |
| runoff | excess water that is not absorbed in the ground |
| cloud cover | fraction of the sky covered by clouds: cloudy, partly cloudy, partly sunny |
| thermometer | instrument used to measure temperature |
| anemometer | instrument used to measure wind speed |
| front | the area in which 2 air masses meet resulting in stormy weather |
| meteorologist | scientist who studies weather |
| climate | the average weather conditions in an area over a long period of time |
| wind vane | instrument used to measure wind direction |
| rain gauge | instrument used to measure amount of rain over a period of time |
| barometer | instrument used to measure air pressure |
| potential energy | stored energy; energy of position |
| kinetic energy | energy of motion; moving energy |
| thermal energy | total potential and kinetic energy of the particles in an object |
| radiation | transfer of thermal energy by electromagnetic waves through places with or without matter |
| transpiration | plants give off water through stomata in leaves |
| atmosphere | a layer of gases surrounding a planet |
| troposphere | layer of the atmosphere 0-11 miles up |
| air mass | a large region of the atmosphere where the air has similar properties throughout |
| high pressure system | a whirling mass of cool dry air. It rotates clockwise |
| low pressure system | a whirling mass of warm moist air.. it rotates counter-clockwise |
| cold front | a boundary between 2 air masses, one cold and one warm, moving so that the colder air replaces the warmer air |
| mountain | a very tall natural place - higher than a hill |
| density | the measure of how tightly packed the matter in an object is |
| water cycle | the continuous process by which water moves from the Earth's surface to the atmosphere and back |
| collection | when precipitation accumulates in a body of water, in the ground, or as runoff |
| ground water | water stored in soil and rock beneath Earth's surface |
| water vapor | water in a gas state |
| warm front | boundary between 2 air masses (one warm and one cold) moving so that the warm air replaces the colder air |
| stationary front | a boundary between 2 air masses that more or less doesn't move |
| data | information |
| hemisphere | half of a sphere; the Earth has four hemispheres: northern, southern, eastern, western |
| equator | Imaginary, horizontal line around the middle of the Earth |
| latitude | the distance north or south of the Equator |
| longitude | the distance west or east of the Prime Meridian |
| angle of incidence | angle the sunlight hits the Earth (more intensity = warmer); sometimes called angle of insolation |
| direct sunlight | Sun rays that strike the Earth in a straight line (most direct, intense rays = Equator) |
| indirect sunlight | Sun rays that strike the Earth at an angle |
| Earth's axis | imaginary, vertical line through the middle of the Earth; Earth rotates around it |
| tilt of the Earth | Earth is tilted on its axis at ≈ 23.5°. |
| rotation | spin; the Earth rotates counter-clockwise on its axis |
| revolution | orbit; the Earth revolves counter-clockwise around the Sun in an elliptical orbit |
| Sun | driving force of weather |
| temperature | degrees warm or cold |
| wind speed | the swiftness the wind travels across the face of the Earth |
| wind direction | reported by the direction from which wind originates |
| barometric pressure | weight of the air above the surface of the Earth |
| convection | transfer of thermal energy by liquids or gases |
| convection current | a continual cycle of heat rising, cooling, sinking, and replacing rising heat. |
| conduction | transfer of thermal energy between things that are touching |
| sea level | where the ocean meets the land; zero elevation |
| elevation | the height of a place above sea level |
| altitude | the vertical elevation of an object; the distance above sea level or above Earth's surface |
| weather system | all the parts of weather |
| heat | energy that exists in matter |
| conductor | any object that allows heat (energy) to pass through easily |
| insulator | any object that is difficult for heat (energy) to pass through |
Created by:
aderrico
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