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Weather2017
Weather Unit Review
| Question | Answer |
|---|---|
| An instrument that measures temperature, either in Celsius, Fahrenheit or Kelvin is called a .......... | thermometer |
| An instrument that measures air pressure, changes in air pressure that indicate changes in weather are coming is called a...... | barometer |
| Two types of barometers are..... | Aneroid and Mercury Barometers |
| Which instrument would you use to measure wind speed? | anemometer |
| Which instrument would you use to measure wind direction? | weather vane |
| What is the name of the person that studies weather? | meteorologist |
| You would use this type of instrument to measure the relative humidity in the air. It will tell you is it is wet or dry. | psychrometer/hygrometer |
| Scientists use this instrument to measure how much rain has fallen. | rain guage |
| The study of weather is called..... | meteorology |
| Any form of water that falls to the Earth; Rain, sleet, hail, or snow | precipitation |
| During winter storms, when rain falls from the clouds and freezes as it is falling it is called...... | sleet |
| What type of precipitation falls when wind moves an ice crystal back up into a cloud several times before it falls to the ground? | hail |
| This occurs every 3-7 years when trade winds weaken causing the Pacific Ocean to become warmer and bringing unusually heavy rains to the Southeastern U.S. | El Nino |
| The Atlantic Ocean current, originating in the Gulf of Mexico that influences weather on the northeastern coast of the U.S. and England. | Gulf Stream |
| Thin, white, feathery, high altitude clouds that contain ice crystals are called.... | Cirrus |
| Layered clouds that produce steady, light precipitation. | Stratus |
| Puffy white clouds that are often in the sky during fair weather. | Cumulous |
| The boundary between a cold air mass and a warm air mass. | front |
| What type of front forms when a warm air mass pushes a cold air mass and slips over the cold air? | warm front |
| What does "H" represent on a weather map? | high pressure |
| What type of weather would you expect to have if you "H" on a map? | fair weather |
| A storm that develops when low pressure forms over the warm ocean water with winds blowing more than 74 MPH. | hurricane |
| A violently rotating column of air stretching from a cloud to the ground that is often spun from a severe thunderstorm. | tornado |
| A front in which cold air is replacing warm air at the surface. Usually bring cooler weather, clearing skies, and a sharp change in wind direction. | cold front |
| A front in which warm air replaces cooler air at the surface. After the front, the area experiences warm weather. | warm front |
| When two cool air masses cut a warm air mass off from the ground, which kind of front forms? | occluded front |
| This type of front is a boundary between two air masses that are not moving. They bring precipitation which can lasts a few days. | stationary front |
| This type of air mass forms over the tropics, so they are warm and will have low air pressure. | tropical |
| This type of air mass forms north/south of 50ยบ latitude. So they are cold and will have high pressure. | polar |
| This type of air mass forms over the oceans so they are humid. | maritime |
| This type of air mass forms over the middle of continents (land) so they are dry. | continental |
| All winds are caused by differences in....... | air pressure |
| The flow of air from land to a body of water is called a........ | land breeze |
| The flow of air from the sea to land is called..... | sea breeze |
| In what direction do air masses generally move in the US? | west to east |
Created by:
Mrs.Verano
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