Science Chapter 9 Vocab
Terms
undefined, object
copy deck
- clouds
- collections of water droplets and microscopic solid particles such as dirt, salt and ash
- wind
- movement of air
- isobar
- a line on a weather map that connects places that have the same air pressure
- barometer
- instrument which measures air pressure
- humidity
- water vapor in the air that cannot be seen
- air pressure
- heaviness of air caused by gravity and the amount of air particles in the air
- atmosphere
- the invisible layer of air that surrounds and protects Earth
- weather forecast
- a prediction of what future weather conditions will be
- thunderstorm
- a small, local storm with tall clouds, heavy rain and thunder and lightning
- front
- the boundary or area of contact between two air masses
- air mass
- a large body of air that has about the same temperature and moisture throughout
- precipitation
- form of air moisture you can see
- weather
- condition of the atmosphere at a given time and place
- meteorologist
- a scientist who studies weather
- tornado
- a small funnel of quickly spinning air
- Beaufort scale
- used to judge wind speed and wind type
- relative humidity
- the amount of water vapor in the air compared with the total amount of water vapor that the air can hold at that temperature
- stratus
- heavy layer of clouds near the Earth's surface usually meaning precipitation
- cumulus
- large, puffy clouds seen in both good and stormy weather
- anemometer
- instrument which measures wind speed
- cirrus
- thin, feather-like clouds found high in the troposphere made of ice crystals
- troposphere
- the layer of the atmosphere closest to the Earth's surface
- storm
- a weather disturbance caused by unusual weather conditions
- air temperature
- degree of heat or cold of the atmosphere
- blizzard
- severe snowstorm with strong winds that cause drifting and poor visibility
- hurricane
- a large tropical storm that has very high winds and heavy rainfall