7th grade science 3

Question 1

Dew point

Answer 1

Temperature at which air is saturated and condensation forms

Question 2

Fog

Answer 2

Stratus clouds that form when air near the ground is cooled to its dew point

Question 3

Humidity

Answer 3

Amount of water vapor held in the air

Question 4

Precipitation

Answer 4

Water falling from cloud;includes rain, snow, sleet, and hail, whose form is determined by air temperature

Question 5

Relative humidity

Answer 5

Measure of the amount of moisture held in the air compared with the amount it can hold at a given temperature

Question 6

Weather

Answer 6

State of the atmosphere at a specific time and place; determined by air pressure, wind, temperature, and how much moisture is in the air

Question 7

Air mass

Answer 7

Large body of air that has the same characteristics of temperature and moisture content as the area where it formed

Question 8

Blizzard

Answer 8

Severe winter storm with temperatures below -12°C, winds of at least 50 km/h, and blowing snow that causes poor visibility, that lasts at least three hours

Question 9

Front

Answer 9

Boundary between two air masses with different temperature, density, and moisture

Question 10

Hurricane

Answer 10

Large, severe storm that forms over tropical oceans and has winds of at least 119 km/h

Question 11

Tornado

Answer 11

Violently rotating column of air in contact with the ground

Question 12

Isobar

Answer 12

Lines drawn on the weather map that connects two places with the same atmospheric pressure

Question 13

Isotherm

Answer 13

Line drawn on a weather map that connects locations with the same temperature

Question 14

Meteorologist

Answer 14

Person who studies the weather and uses information from Doppler radar, weather satellite, computers, and other information to make weather maps and provide forecasts

Question 15

Station model

Answer 15

Indicates weather conditions at a specific location by using symbols on a map